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International Baccalaureate (IB)

IB students around the globe fear writing the Extended Essay, but it doesn't have to be a source of stress! In this article, I'll get you excited about writing your Extended Essay and provide you with the resources you need to get an A on it.

If you're reading this article, I'm going to assume you're an IB student getting ready to write your Extended Essay. If you're looking at this as a potential future IB student, I recommend reading our introductory IB articles first, including our guide to what the IB program is and our full coverage of the IB curriculum .

IB Extended Essay: Why Should You Trust My Advice?

I myself am a recipient of an IB Diploma, and I happened to receive an A on my IB Extended Essay. Don't believe me? The proof is in the IBO pudding:

If you're confused by what this report means, EE is short for Extended Essay , and English A1 is the subject that my Extended Essay topic coordinated with. In layman's terms, my IB Diploma was graded in May 2010, I wrote my Extended Essay in the English A1 category, and I received an A grade on it.

What Is the Extended Essay in the IB Diploma Programme?

The IB Extended Essay, or EE , is a mini-thesis you write under the supervision of an IB advisor (an IB teacher at your school), which counts toward your IB Diploma (learn more about the major IB Diploma requirements in our guide) . I will explain exactly how the EE affects your Diploma later in this article.

For the Extended Essay, you will choose a research question as a topic, conduct the research independently, then write an essay on your findings . The essay itself is a long one—although there's a cap of 4,000 words, most successful essays get very close to this limit.

Keep in mind that the IB requires this essay to be a "formal piece of academic writing," meaning you'll have to do outside research and cite additional sources.

The IB Extended Essay must include the following:

• A title page
• Contents page
• Introduction
• Body of the essay
• References and bibliography

Additionally, your research topic must fall into one of the six approved DP categories , or IB subject groups, which are as follows:

• Group 1: Studies in Language and Literature
• Group 2: Language Acquisition
• Group 3: Individuals and Societies
• Group 4: Sciences
• Group 5: Mathematics
• Group 6: The Arts

Once you figure out your category and have identified a potential research topic, it's time to pick your advisor, who is normally an IB teacher at your school (though you can also find one online ). This person will help direct your research, and they'll conduct the reflection sessions you'll have to do as part of your Extended Essay.

As of 2018, the IB requires a "reflection process" as part of your EE supervision process. To fulfill this requirement, you have to meet at least three times with your supervisor in what the IB calls "reflection sessions." These meetings are not only mandatory but are also part of the formal assessment of the EE and your research methods.

According to the IB, the purpose of these meetings is to "provide an opportunity for students to reflect on their engagement with the research process." Basically, these meetings give your supervisor the opportunity to offer feedback, push you to think differently, and encourage you to evaluate your research process.

The final reflection session is called the viva voce, and it's a short 10- to 15-minute interview between you and your advisor. This happens at the very end of the EE process, and it's designed to help your advisor write their report, which factors into your EE grade.

Here are the topics covered in your viva voce :

• A check on plagiarism and malpractice
• Your reflection on your project's successes and difficulties
• Your reflection on what you've learned during the EE process

Your completed Extended Essay, along with your supervisor's report, will then be sent to the IB to be graded. We'll cover the assessment criteria in just a moment.

We'll help you learn how to have those "lightbulb" moments...even on test day!  

What Should You Write About in Your IB Extended Essay?

You can technically write about anything, so long as it falls within one of the approved categories listed above.

It's best to choose a topic that matches one of the IB courses , (such as Theatre, Film, Spanish, French, Math, Biology, etc.), which shouldn't be difficult because there are so many class subjects.

Here is a range of sample topics with the attached extended essay:

• Biology: The Effect of Age and Gender on the Photoreceptor Cells in the Human Retina
• Chemistry: How Does Reflux Time Affect the Yield and Purity of Ethyl Aminobenzoate (Benzocaine), and How Effective is Recrystallisation as a Purification Technique for This Compound?
• English: An Exploration of Jane Austen's Use of the Outdoors in Emma
• Geography: The Effect of Location on the Educational Attainment of Indigenous Secondary Students in Queensland, Australia
• Math: Alhazen's Billiard Problem
• Visual Arts: Can Luc Tuymans Be Classified as a Political Painter?

You can see from how varied the topics are that you have a lot of freedom when it comes to picking a topic . So how do you pick when the options are limitless?

How to Write a Stellar IB Extended Essay: 6 Essential Tips

Below are six key tips to keep in mind as you work on your Extended Essay for the IB DP. Follow these and you're sure to get an A!

#1: Write About Something You Enjoy

You can't expect to write a compelling essay if you're not a fan of the topic on which you're writing. For example, I just love British theatre and ended up writing my Extended Essay on a revolution in post-WWII British theatre. (Yes, I'm definitely a #TheatreNerd.)

I really encourage anyone who pursues an IB Diploma to take the Extended Essay seriously. I was fortunate enough to receive a full-tuition merit scholarship to USC's School of Dramatic Arts program. In my interview for the scholarship, I spoke passionately about my Extended Essay; thus, I genuinely think my Extended Essay helped me get my scholarship.

But how do you find a topic you're passionate about? Start by thinking about which classes you enjoy the most and why . Do you like math classes because you like to solve problems? Or do you enjoy English because you like to analyze literary texts?

Keep in mind that there's no right or wrong answer when it comes to choosing your Extended Essay topic. You're not more likely to get high marks because you're writing about science, just like you're not doomed to failure because you've chosen to tackle the social sciences. The quality of what you produce—not the field you choose to research within—will determine your grade.

Once you've figured out your category, you should brainstorm more specific topics by putting pen to paper . What was your favorite chapter you learned in that class? Was it astrophysics or mechanics? What did you like about that specific chapter? Is there something you want to learn more about? I recommend spending a few hours on this type of brainstorming.

One last note: if you're truly stumped on what to research, pick a topic that will help you in your future major or career . That way you can use your Extended Essay as a talking point in your college essays (and it will prepare you for your studies to come too!).

#2: Select a Topic That Is Neither Too Broad nor Too Narrow

There's a fine line between broad and narrow. You need to write about something specific, but not so specific that you can't write 4,000 words on it.

You can't write about WWII because that would be a book's worth of material. You also don't want to write about what type of soup prisoners of war received behind enemy lines, because you probably won’t be able to come up with 4,000 words of material about it. However, you could possibly write about how the conditions in German POW camps—and the rations provided—were directly affected by the Nazis' successes and failures on the front, including the use of captured factories and prison labor in Eastern Europe to increase production. WWII military history might be a little overdone, but you get my point.

If you're really stuck trying to pinpoint a not-too-broad-or-too-narrow topic, I suggest trying to brainstorm a topic that uses a comparison. Once you begin looking through the list of sample essays below, you'll notice that many use comparisons to formulate their main arguments.

I also used a comparison in my EE, contrasting Harold Pinter's Party Time with John Osborne's Look Back in Anger in order to show a transition in British theatre. Topics with comparisons of two to three plays, books, and so on tend to be the sweet spot. You can analyze each item and then compare them with one another after doing some in-depth analysis of each individually. The ways these items compare and contrast will end up forming the thesis of your essay!

When choosing a comparative topic, the key is that the comparison should be significant. I compared two plays to illustrate the transition in British theatre, but you could compare the ways different regional dialects affect people's job prospects or how different temperatures may or may not affect the mating patterns of lightning bugs. The point here is that comparisons not only help you limit your topic, but they also help you build your argument.

Comparisons are not the only way to get a grade-A EE, though. If after brainstorming, you pick a non-comparison-based topic and are still unsure whether your topic is too broad or narrow, spend about 30 minutes doing some basic research and see how much material is out there.

If there are more than 1,000 books, articles, or documentaries out there on that exact topic, it may be too broad. But if there are only two books that have any connection to your topic, it may be too narrow. If you're still unsure, ask your advisor—it's what they're there for! Speaking of advisors...

Don't get stuck with a narrow topic!

#3: Choose an Advisor Who Is Familiar With Your Topic

If you're not certain of who you would like to be your advisor, create a list of your top three choices. Next, write down the pros and cons of each possibility (I know this sounds tedious, but it really helps!).

For example, Mr. Green is my favorite teacher and we get along really well, but he teaches English. For my EE, I want to conduct an experiment that compares the efficiency of American electric cars with foreign electric cars.

I had Ms. White a year ago. She teaches physics and enjoyed having me in her class. Unlike Mr. Green, Ms. White could help me design my experiment.

Based on my topic and what I need from my advisor, Ms. White would be a better fit for me than would Mr. Green (even though I like him a lot).

The moral of my story is this: do not just ask your favorite teacher to be your advisor . They might be a hindrance to you if they teach another subject. For example, I would not recommend asking your biology teacher to guide you in writing an English literature-based EE.

There can, of course, be exceptions to this rule. If you have a teacher who's passionate and knowledgeable about your topic (as my English teacher was about my theatre topic), you could ask that instructor. Consider all your options before you do this. There was no theatre teacher at my high school, so I couldn't find a theatre-specific advisor, but I chose the next best thing.

Before you approach a teacher to serve as your advisor, check with your high school to see what requirements they have for this process. Some IB high schools require your IB Extended Essay advisor to sign an Agreement Form , for instance.

Make sure that you ask your IB coordinator whether there is any required paperwork to fill out. If your school needs a specific form signed, bring it with you when you ask your teacher to be your EE advisor.

#4: Pick an Advisor Who Will Push You to Be Your Best

Some teachers might just take on students because they have to and aren't very passionate about reading drafts, only giving you minimal feedback. Choose a teacher who will take the time to read several drafts of your essay and give you extensive notes. I would not have gotten my A without being pushed to make my Extended Essay draft better.

Ask a teacher that you have experience with through class or an extracurricular activity. Do not ask a teacher that you have absolutely no connection to. If a teacher already knows you, that means they already know your strengths and weaknesses, so they know what to look for, where you need to improve, and how to encourage your best work.

Also, don't forget that your supervisor's assessment is part of your overall EE score . If you're meeting with someone who pushes you to do better—and you actually take their advice—they'll have more impressive things to say about you than a supervisor who doesn't know you well and isn't heavily involved in your research process.

Be aware that the IB only allows advisors to make suggestions and give constructive criticism. Your teacher cannot actually help you write your EE. The IB recommends that the supervisor spends approximately two to three hours in total with the candidate discussing the EE.

#5: Make Sure Your Essay Has a Clear Structure and Flow

The IB likes structure. Your EE needs a clear introduction (which should be one to two double-spaced pages), research question/focus (i.e., what you're investigating), a body, and a conclusion (about one double-spaced page). An essay with unclear organization will be graded poorly.

The body of your EE should make up the bulk of the essay. It should be about eight to 18 pages long (again, depending on your topic). Your body can be split into multiple parts. For example, if you were doing a comparison, you might have one third of your body as Novel A Analysis, another third as Novel B Analysis, and the final third as your comparison of Novels A and B.

If you're conducting an experiment or analyzing data, such as in this EE , your EE body should have a clear structure that aligns with the scientific method ; you should state the research question, discuss your method, present the data, analyze the data, explain any uncertainties, and draw a conclusion and/or evaluate the success of the experiment.

#6: Start Writing Sooner Rather Than Later!

You will not be able to crank out a 4,000-word essay in just a week and get an A on it. You'll be reading many, many articles (and, depending on your topic, possibly books and plays as well!). As such, it's imperative that you start your research as soon as possible.

Each school has a slightly different deadline for the Extended Essay. Some schools want them as soon as November of your senior year; others will take them as late as February. Your school will tell you what your deadline is. If they haven't mentioned it by February of your junior year, ask your IB coordinator about it.

Some high schools will provide you with a timeline of when you need to come up with a topic, when you need to meet with your advisor, and when certain drafts are due. Not all schools do this. Ask your IB coordinator if you are unsure whether you are on a specific timeline.

Below is my recommended EE timeline. While it's earlier than most schools, it'll save you a ton of heartache (trust me, I remember how hard this process was!):

• January/February of Junior Year: Come up with your final research topic (or at least your top three options).
• February of Junior Year: Approach a teacher about being your EE advisor. If they decline, keep asking others until you find one. See my notes above on how to pick an EE advisor.
• April/May of Junior Year: Submit an outline of your EE and a bibliography of potential research sources (I recommend at least seven to 10) to your EE advisor. Meet with your EE advisor to discuss your outline.
• Summer Between Junior and Senior Year: Complete your first full draft over the summer between your junior and senior year. I know, I know—no one wants to work during the summer, but trust me—this will save you so much stress come fall when you are busy with college applications and other internal assessments for your IB classes. You will want to have this first full draft done because you will want to complete a couple of draft cycles as you likely won't be able to get everything you want to say into 4,000 articulate words on the first attempt. Try to get this first draft into the best possible shape so you don't have to work on too many revisions during the school year on top of your homework, college applications, and extracurriculars.
• August/September of Senior Year: Turn in your first draft of your EE to your advisor and receive feedback. Work on incorporating their feedback into your essay. If they have a lot of suggestions for improvement, ask if they will read one more draft before the final draft.
• September/October of Senior Year: Submit the second draft of your EE to your advisor (if necessary) and look at their feedback. Work on creating the best possible final draft.
• November-February of Senior Year: Schedule your viva voce. Submit two copies of your final draft to your school to be sent off to the IB. You likely will not get your grade until after you graduate.

Remember that in the middle of these milestones, you'll need to schedule two other reflection sessions with your advisor . (Your teachers will actually take notes on these sessions on a form like this one , which then gets submitted to the IB.)

I recommend doing them when you get feedback on your drafts, but these meetings will ultimately be up to your supervisor. Just don't forget to do them!

The early bird DOES get the worm!

How Is the IB Extended Essay Graded?

Extended Essays are graded by examiners appointed by the IB on a scale of 0 to 34 . You'll be graded on five criteria, each with its own set of points. You can learn more about how EE scoring works by reading the IB guide to extended essays .

• Criterion A: Focus and Method (6 points maximum)
• Criterion B: Knowledge and Understanding (6 points maximum)
• Criterion C: Critical Thinking (12 points maximum)
• Criterion D: Presentation (4 points maximum)
• Criterion E: Engagement (6 points maximum)

How well you do on each of these criteria will determine the final letter grade you get for your EE. You must earn at least a D to be eligible to receive your IB Diploma.

Although each criterion has a point value, the IB explicitly states that graders are not converting point totals into grades; instead, they're using qualitative grade descriptors to determine the final grade of your Extended Essay . Grade descriptors are on pages 102-103 of this document .

Here's a rough estimate of how these different point values translate to letter grades based on previous scoring methods for the EE. This is just an estimate —you should read and understand the grade descriptors so you know exactly what the scorers are looking for.

Here is the breakdown of EE scores (from the May 2021 bulletin):

How Does the Extended Essay Grade Affect Your IB Diploma?

The Extended Essay grade is combined with your TOK (Theory of Knowledge) grade to determine how many points you get toward your IB Diploma.

To learn about Theory of Knowledge or how many points you need to receive an IB Diploma, read our complete guide to the IB program and our guide to the IB Diploma requirements .

This diagram shows how the two scores are combined to determine how many points you receive for your IB diploma (3 being the most, 0 being the least). In order to get your IB Diploma, you have to earn 24 points across both categories (the TOK and EE). The highest score anyone can earn is 45 points.

Let's say you get an A on your EE and a B on TOK. You will get 3 points toward your Diploma. As of 2014, a student who scores an E on either the extended essay or TOK essay will not be eligible to receive an IB Diploma .

Prior to the class of 2010, a Diploma candidate could receive a failing grade in either the Extended Essay or Theory of Knowledge and still be awarded a Diploma, but this is no longer true.

Figuring out how you're assessed can be a little tricky. Luckily, the IB breaks everything down here in this document . (The assessment information begins on page 219.)

40+ Sample Extended Essays for the IB Diploma Programme

In case you want a little more guidance on how to get an A on your EE, here are over 40 excellent (grade A) sample extended essays for your reading pleasure. Essays are grouped by IB subject.

• Business Management 1
• Chemistry 1
• Chemistry 2
• Chemistry 3
• Chemistry 4
• Chemistry 5
• Chemistry 6
• Chemistry 7
• Computer Science 1
• Economics 1
• Design Technology 1
• Design Technology 2
• Environmental Systems and Societies 1
• Geography 1
• Geography 2
• Geography 3
• Geography 4
• Geography 5
• Geography 6
• Literature and Performance 1
• Mathematics 1
• Mathematics 2
• Mathematics 3
• Mathematics 4
• Mathematics 5
• Philosophy 1
• Philosophy 2
• Philosophy 3
• Philosophy 4
• Philosophy 5
• Psychology 1
• Psychology 2
• Psychology 3
• Psychology 4
• Psychology 5
• Social and Cultural Anthropology 1
• Social and Cultural Anthropology 2
• Social and Cultural Anthropology 3
• Sports, Exercise and Health Science 1
• Sports, Exercise and Health Science 2
• Visual Arts 1
• Visual Arts 2
• Visual Arts 3
• Visual Arts 4
• Visual Arts 5
• World Religion 1
• World Religion 2
• World Religion 3

What's Next?

Trying to figure out what extracurriculars you should do? Learn more about participating in the Science Olympiad , starting a club , doing volunteer work , and joining Student Government .

Studying for the SAT? Check out our expert study guide to the SAT . Taking the SAT in a month or so? Learn how to cram effectively for this important test .

Not sure where you want to go to college? Read our guide to finding your target school . Also, determine your target SAT score or target ACT score .

As an SAT/ACT tutor, Dora has guided many students to test prep success. She loves watching students succeed and is committed to helping you get there. Dora received a full-tuition merit based scholarship to University of Southern California. She graduated magna cum laude and scored in the 99th percentile on the ACT. She is also passionate about acting, writing, and photography.

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IB TOK Essay Rubric. Grading Criteria

As someone deeply immersed in the IB curriculum, I’ve encountered difficulty writing Theory of Knowledge (TOK) essays more times than I can count. Today, I’m here to tell you about the IB TOK essay rubric and grading criteria, offering insights I’ve gathered over the years. Trust me, understanding these elements can transform your TOK essay from good to exceptional.

What Is IB Theory of Knowledge Essay?

The International Baccalaureate TOK essay is a critical element of the IB Diploma Programme that pushes students to ponder the nature and acquisition of knowledge. This task requires students to examine and articulate their understanding of how we come to know what we claim to know, engaging them in a deep reflection on knowledge itself, its sources, and its application in various contexts.

This essay is a philosophical research that encourages critical thinking and analysis across different areas of knowledge, including ethics, science, mathematics, and the arts. At the heart of the IB TOK essay are several key components that students must know:

• The essay prompts students to reflect on the nature of knowledge and how we come to know what we claim to know. It is an exercise in critical thinking and philosophy, where students examine the bases of knowledge and how it intersects with the world around them.
• Students choose from a list of prescribed titles the IB organization releases annually. These titles prompt discussions on various topics in knowledge, ethics, science, mathematics, human sciences, and more.
• There is a maximum TOK essay word count of 1,600 words. This strict limit requires students to articulate their thoughts clearly and concisely.
• The essay is assessed using criteria that evaluate students’ ability to identify and research knowledge issues, contrast TOK key concepts , demonstrate critical thinking, and organize their ideas coherently.
• Students are encouraged to start early, select a topic that interests them, and engage in extensive research and critical thinking. Collaboration with TOK teachers for guidance and feedback throughout the writing process is also crucial.
• Through the TOK essay, students develop skills in critical thinking, analysis, synthesis of information from various disciplines, and the ability to argue coherently and persuasively.

The TOK essay and the TOK exhibition contribute up to three points towards the total score of the IB Diploma. The performance in TOK is combined with the Extended Essay (EE) to determine the number of additional points awarded.

IB Theory of Knowledge Essay Rubric

As an IB writer and mentor, I’ve seen these guidelines as a checklist and a map for writing insightful, coherent works in the IB Theory of Knowledge . My goal here is to explain these criteria.

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Addressing the Knowledge Question (0-2 points)

A central component of the TOK essay is its focus on a knowledge question directly related to the chosen title. This question must be explicitly identified early in the essay as a foundation for your analysis and arguments. The clarity with which you state this question and the extent to which it informs the development of your essay is crucial for scoring in this category.

Grasping Knowledge Issues (0-2 points)

Your essay must profoundly comprehend the knowledge issues connected to your central knowledge question. It includes recognizing the diverse methods through which knowledge is obtained and acknowledging the potential limitations and biases influencing our perception of the world. A high score in this area reflects your ability to dig into these complexities and present them thoughtfully within your essay.

Critical Analysis and Evaluation (0-2 points)

A critical dissection and assessment of the knowledge question are imperative in your TOK essay. It involves using relevant examples and evidence to bolster your arguments alongside a meticulous examination of the various approaches to knowledge, highlighting their strengths and pitfalls. Additionally, it includes appraising the comparative worth of these different approaches and showcasing your ability to engage with the question at hand critically.

Incorporating AOKs and WOKs (0-2 points)

our essay must showcase an adept understanding of the multifaceted nature in which knowledge is acquired, highlighting the roles of empirical evidence, logical deduction, and personal experiences. Equally important is demonstrating a thorough grasp of the various Ways of Knowing (WOKs) — including reason, emotion, perception, and language — and articulating how these intersect and interact with the central knowledge question. A high score in this criterion indicates a comprehensive integration and consideration of AOKs and WOKs in your analysis.

Demonstrating Personal Engagement (0-2 points)

Your TOK essay should vividly reflect your connection and engagement with the knowledge question. It should show your awareness of how the arguments presented resonate with your experiences and perceptions and their broader implications for the world you inhabit. Achieving high marks in this area means successfully conveying how researching the knowledge question has influenced your understanding and perspective, integrating personal insight with academic analysis.

Coherence and Structure (0-2 points)

A well-written TOK essay is characterized by its organization and clarity, featuring a distinct introduction, body, and conclusion. The arrangement should be logical and enhance the essay’s central argument, ensuring a seamless flow of ideas from start to finish. High scores in this domain are awarded to essays demonstrating meticulous planning and an ability to guide the reader.

Clarity in Presentation (0-2 points)

Your TOK essay should be articulated clearly, concisely, and well-structured, paying close attention to the accuracy of grammar, spelling, and punctuation. It is also essential to adhere to the proper referencing and citation style throughout the document. Essays that score well in this category prioritize readability and scholarly integrity, making it easy for the reader to follow and appreciate the depth of the analysis. So, follow the IB TOK essay structure in detail.

Innovative Approach and Creativity (0-2 points)

Your TOK essay should exhibit originality and inventiveness in addressing the knowledge question and selecting examples and evidence to bolster your arguments. High-scoring essays in this category are characterized by their creative insights and the ability to think outside the box, demonstrating a proactive approach to elucidating the knowledge question.

IB TOK Essay Grading Criteria Explained

The grading criteria for the TOK essay follow a holistic approach, considering all aspects of the rubric. Essays are marked on a scale, with each level reflecting a range of performance in the criteria mentioned above. Here are some insights:

• Excellent Performance . Essays in this category exhibit a deep understanding of knowledge issues, sophisticated analysis, and clear, coherent organization. They effectively incorporate multiple perspectives and are enriched with well-integrated examples.
• Good Performance . These essays demonstrate a good understanding and analysis of knowledge issues, though they may lack the depth or coherence of the top-tier essays. The organization is solid, and examples are used effectively, though perhaps with less sophistication.
• Satisfactory Performance . Here, essays adequately understand the knowledge issues but may struggle with in-depth analysis or coherent organization. Using examples and considering different perspectives is present but not fully developed.
• Basic Performance . Essays in this range have a basic grasp of the knowledge issues but significant weaknesses in analysis, organization, and examples. They may overlook essential perspectives or implications.

From my experience, the key to excelling under these grading criteria lies in understanding what each criterion asks for and integrating these elements into a cohesive, compelling narrative. Crafting your essay with an awareness of these grading nuances can elevate your work from satisfactory to exceptional.

Passing Grade for the Theory of Knowledge Essay

The TOK essay and the TOK presentation form part of the core of the IB Diploma Programme, and students must pass both components to receive their diploma. The TOK essay and presentation are graded on a letter scale of A (excellent) to E (elementary), with D considered a passing grade. However, it’s important to remember that the final TOK grade is combined with the Extended Essay grade, which can significantly impact your overall diploma points.

You generally need to avoid receiving an E grade to pass the TOK component. The combined points for TOK and the EE can contribute up to 3 bonus points towards your diploma, depending on their combined quality. Scores are determined by a matrix that the IB updates periodically, so aiming for the highest possible grades in TOK and EE is crucial to maximizing your diploma points.

Remember, the specific criteria for passing can vary slightly with changes to the IB curriculum and assessment guides, so it’s always a good idea to consult the latest materials or speak with your TOK teacher for the most current information.

In summary, passing the TOK essay requires a comprehensive understanding of the knowledge issues, a critical and reflective approach to the essay question, and a commitment to articulate your thoughts clearly and coherently.

So, mastering the IB TOK essay rubric and grading criteria is a worthwhile path. It’s not just about securing high marks; it’s about developing a nuanced understanding of knowledge. As you prepare to tackle your TOK essay, carry with you the insights and strategies shared.

So, start early, seek feedback, and let your understanding of the rubric infuse every paragraph of your essay. With the right approach, the TOK essay expands your horizons of learning. Good luck, and remember, our experts are always by your side and can help you with the TOK essay .

Valerie Green

Valerie Green is a dedicated educator who spends her time helping high school and college students succeed. She writes articles and guides for various online education projects, providing students with the tools they need to excel in their studies. Friendly and approachable, she is committed to making a difference in the lives of students.

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From my experience as IB tutor, a frequent question among students is, “How Long Is IB IA?” This question is crucial as the IA represents a significant component of the IB diploma, reflecting a student’s ability to apply classroom knowledge in a real-world context.

IB Extended Essay Rubric. Grading Criteria

Understanding the IB extended essay rubric is essential for success. The rubric provides a framework that grades students on several key criteria including the sharpness of their research question, the rigor of their methodology, the breadth and depth of their knowledge, the fluidity and clarity of their argumentation, and their personal engagement with the research topic.

This article provides essential insights and strategies for understanding the assessment process and helping you write essays that meet and exceed the rigorous standards of the IB curriculum. Whether you’re striving for clarity of argument, effective integration of knowledge, or personal engagement, our tips will help you achieve a higher score.

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Guide to the TOK Essay

What’s covered:.

• What is Theory of Knowledge (TOK)?
• What is the Theory of Knowledge Essay?

How is the Theory of Knowledge Essay Scored?

How to structure your theory of knowledge essay.

The International Baccalaureate Diploma Programme (IB/IBDP) is a rigorous and rewarding internationally based educational program that offers courses in numerous studies, from humanities to chemistry. Students take part in a two-year curriculum that includes external examinations, internal assessments, research papers and community service hours. Essentially, students will have to do a bit of everything, especially with IB’s core, which is CAS, TOK, and the extended essay (EE). Understanding how TOK, IB’s flagship class, is assessed with its essay is important to success in the course overall. 

What is Theory Of Knowledge (TOK)?

Theory of Knowledge is IB’s way of introducing a more intuitive way of thinking into classrooms. TOK is at its surface as simple as it sounds: you essentially learn the “what” and “why” of how we learn and understand knowledge. In order to assess students of their skills in TOK, IB uses an essay and a presentation. The essay makes up 67% of your total TOK score, making it the most important task to focus on for getting a high score. 

What is the Theory Of Knowledge Essay?

The TOK essay is a 1600 word essay written about topics usually given to students from their teachers from a list of numerous options. It is an essay that promotes arguments and counterarguments for the topic at hand. Understanding your ways of knowing (WOKs) and areas of knowledge (AOKs) is extremely crucial before you even start choosing a topic to write on, as your essay will revolve around and structure itself based on these two concepts. Being able to demonstrate higher-level thinking and using examples to solidify the points you make in your essay is also important. Additionally, you’ll need to reference every source of information that you use, since that is something examiners look for as well.

As said earlier, 67% of your grade is from the essay, and your overall TOK score receives a letter grade using a calculated score out of thirty. Your essay score and presentation score are each out of ten. The grades for your TOK presentation and essay are determined by sending material to the board of IB, from which they designate a grader/examiner to read your essay and grade based on a rubric that determines the level of knowledge you exhibit in your writing.

The following formula should better explain how to find your TOK grade. 

(presentation score) + (essay score * 2) = overall score out of 30

The grade boundaries out of 30 that determine your letter grade can vary each year so checking in with your school for the most recent ones is the best course of action, but an example set would be like this:

Once you have a letter grade for IB, your extended essay, which is another part of the core, is also included into a larger grading schema to calculate your core score, which is three additional points required to complete and earn the diploma. The following table details this grade further:

Doing well in the core is important to passing IB and getting three points out of the total 45 attainable points. 

There’s a trick that most IB students use in writing the TOK essay, and it boils down to understanding four key components of learning:

• Content : Understanding knowledge issues
• Clarity : Structuring your essay in a legible and clear/easy to read manner
• Creativity : Using your personal ways of thinking and applications of knowledge specific to your understanding of the knowledge issue
• Critical Thinking : Using a counter argument for every argument you have to analyze your own claims constantly 

Dividing your actual essay into three main chunks helps, starting with an introduction. Your introduction should be where you state your knowledge question, the central point of your essay, and you should make use of jargon specific to the concept. As the basis of your essay, the introduction should be where you form claims and counterclaims that either support or challenge the knowledge question through heavy analysis and evaluation. 

The body of the essay follows the introduction, and it is where most of the conceptual analysis of your knowledge question takes place. Every argument and its counterargument should have a dedicated paragraph of its own, and make sure to not jump back and forth too much throughout the essay. to avoid creating messy transitions for the reader and potentially harming your score. Understanding the essay from the reader’s point of view is important, as it will help you better understand how to structure the body of your essay.

A conclusion in the TOK essay is mainly for finding closure among the numerous arguments that have been taking place thus far in the essay. Make sure to summarize but not repeat previous information entirely to refresh the reader. A conclusion should essentially loop back to the beginning of the essay, the knowledge question. The knowledge question’s answer should be the conclusion and the stopping point of the essay, and by now the answer you provide should be backed by paragraphs of supporting claims and counterclaims. If done right, concluding the essay can be how you earn most of your points. 

Start Early

Starting early is an obvious and effective advantage to students. Aside from TOK, let alone the presentation, IB has substantial work that requires focus and allocated time dedicated to it, such as external examinations and the extended essay. These tasks are equally as important as the TOK essay, so starting your outlining, drafting or even just planning early will set you up for success.

Send Your Drafts to Your Teacher

Your TOK teacher is a great resource for drafting essays and making edits to perfect your final product. Making use of time outside of the classroom to catch your teacher for a quick review of your essay could be a bigger advantage than you realize. Making use of an outside perspective is essential to forming a great essay. 

While your final IB grade isn’t as important as you’d think regarding college admissions, understanding how to pass TOK and using the lifelong practices you’ll learn in the class is even more important. TOK creates students who think outside conventional methods, making them excellent candidates in the eyes of college admissions offices. Taking TOK and showing proof of understanding it as well as capability of academic rigor is what colleges are looking for. For more information on how your chances of college admissions might look, use CollegeVine’s admissions calculator !

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Extended Essay Writers

EE and TOK Matrix: How It Affects the IB Program?

Luke MacQuoid

Welcome, IB graduates! Do you need help with the EE and TOK matrix? You’ve landed on the right spot. As a specialist in IB education, I’ve assisted numerous students in comprehending the intricacies of the International Baccalaureate program, specifically the Extended Essay (EE) and Theory of Knowledge (TOK) .

Learning the EE and TOK matrix is crucial for anyone eager to succeed in the IB Diploma. That’s why today, we’re going to break down this aspect in as much detail as possible so that you won’t have any questions in the future.

Maximizing IB Diploma Scores with the EE TOK Matrix

The EE TOK matrix is essential in the IB Diploma Program. It helps to increase a student’s score by combining their achievements in the Extended Essay and Theory of Knowledge. This way, students can earn more points towards their IB Diploma.

EE: The Path to Excellent Research

The Extended Essay is a significant research project that concludes with a 4,000-word paper. It allows IB students to conduct independent investigations, preparing them for college-level studies.

This aspect of the International Baccalaureate program will enable students to get into a subject they are passionate about in-depth, especially one of their six Diploma Programme subjects. The Extended Essay cultivates academic skills, personal development, and intellectual curiosity.

TOK: Cultivating Critical Thinking

TOK, on the other hand, aims to improve students’ critical thinking skills. It encourages students to think about how they know things and the different areas of knowledge. TOK also challenges students to examine the nature of knowledge in different cultures and contexts, broadening their perspectives. This class is essential for shaping students’ comprehension of information and its practical use.

The Synergy of EE and TOK in the Matrix

The EE TOK matrix combines two critical parts. The evaluation of a student’s performance in EE and TOK grants them extra points in their IB Diploma. The matrix recognizes academic abilities and supports a well-rounded approach to learning and gaining knowledge. 

Understanding and doing well in Extended Essays and Theory of Knowledge is essential for achieving one’s full potential in the IB Diploma Program and establishing a solid basis for future academic and personal success.

The EE and TOK matrix contributes to the IB Program in several ways:

• Critical Thinking and Analytical Skills . Both EE and TOK encourage students to develop critical thinking and analytical skills. These skills are crucial not just for academic success but also for personal and professional life.
• Interdisciplinary Learning . TOK, in particular, encourages students to make connections between different areas of knowledge, fostering a more holistic understanding of the world.
• Research Skills . The Extended Essay requires students to engage in independent research. This experience is invaluable for university-level studies and developing information-gathering, analysis, and presentation skills.
• Additional Points . The combination of grades achieved in EE and TOK can contribute up to 3 extra points towards the total IB Diploma score. This can be crucial for students aiming for higher IB scores.
• Personal Growth . Both components encourage students to explore and articulate their perspectives on knowledge and learning, fostering personal growth and self-awareness.

In short, the EE and TOK parts are crucial to the IB Program. They give scholars vital abilities and chances for self-improvement and intellectual expansion. Beyond being educational needs, they shape all-around analytical and reflective thinkers.

How Can You Calculate EE and TOK Matrix?

Calculating your score in the EE and TOK matrix is integral to strategizing for success in the IB Diploma Program. Here’s an extended guide to how it works:

• Your EE is graded on a scale from A (highest) to E (lowest). This grade reflects your ability to conduct in-depth research and present your findings coherently. Striving for a high grade in EE means showcasing your research, analysis, and writing skills.
• Similarly, TOK is graded from A to E. Your TOK grade indicates your understanding and application of critical thinking skills. It evaluates your ability to question, analyze, and reflect on the nature of knowledge.

The IB provides a matrix table that aligns these grades. The table is designed to encourage students to perform well in both areas. For example, if you get an “A” in TOK and a “B” in EE, find the intersecting cell in the matrix to determine your bonus points.

Remember that receiving an “E” in either EE or TOK could mean not obtaining the IB Diploma. It underlines the importance of dedicating sufficient time and resources to both components.

EE and TOK Matrix: College Admissions

In today’s world, the IB Diploma is essential for getting into college. It’s like a detailed report card that shows how good you are at studying. The extra points you get from doing well in your EE and TOK can help. Here’s why these additional points matter a lot:

• Getting into College . Some colleges ask for a certain number of points to let you in. If you get extra points from your EE and TOK, it can help you reach or even go past this number.
• Making the Cut . Sometimes, when colleges can’t decide if they should let you in, these extra points can make all the difference. They can help you get a spot in the college you want.
• Getting Scholarships . If you want a scholarship, you usually need to have perfect grades. The extra points from EE and TOK can be what you need to get a scholarship instead of taking a college loan.
• Going to Top Colleges . If you want to attend an outstanding college, you often need a lot of points. The extra points from EE and TOK can help you meet these high requirements.
• Special Programs . For some special college programs that are hard to get into, having extra points can make you look more appealing to the college.

So, if you’re aiming for a great college or an exceptional program, the extra points from your EE and TOK aren’t just good. They can help you get where you want to go.

Tips for Success in the EE and TOK Matrix to Earn Additional Points

Consider these strategies to stand out in the TOK EE matrix and earn extra points for your IB Diploma.

1. Gain a Deep Understanding of the EE TOK Matrix

Understanding the mechanics of the EE and TOK matrix is crucial. Familiarize yourself with how your grades in these two components translate into additional points for your IB Diploma. This knowledge will allow you to aim for grades that maximize your overall score strategically.

2. Thoughtful Selection of EE Topic

Choosing the right topic for your Extended Essay is vital. Select a subject that interests you and aligns with your strengths and academic interests. A well-chosen topic can inspire more profound research and engaging writing, making the process more enjoyable and rewarding regarding your final grade.

3. Strong EE Research Question

A solid research question should anchor your EE. This issue should be clear, focused, and complex enough for in-depth investigation and discussion. Spend time refining this question to ensure it guides your research effectively and aligns with the IB criteria.

Need help with your IB extended essay?

From research and analysis to structuring and editing, our skilled mentors will be by your side, helping you craft an exceptional extended essay that not only meets the wordcount and stringent IB criteria but also reflects your passion for selected IB group .

4. Effective Planning and Structuring of EE

Organize your EE with a clear structure and plan. A well-organized essay not only makes your arguments more coherent but also makes the writing process more manageable. Detailed planning can significantly enhance the quality of your final submission.

5. Deep Engagement with TOK Concepts

In TOK, depth of understanding is critical. Engage thoroughly with the course’s core concepts, such as the ways of knowing and areas of knowledge. Demonstrating a deep and thoughtful engagement with these ideas can significantly impact your TOK grade.

6. Developing Critical Thinking for TOK

TOK is all about evaluating knowledge claims and arguments. Practice critical thinking by analyzing different perspectives and arguments. This skill is essential for TOK and beneficial for your overall intellectual development.

7. Applying TOK to Real-World Scenarios

Use practical examples to illustrate and support your arguments in TOK. Applying theory to real-world scenarios shows your ability to connect abstract concepts with realistic situations, a skill highly valued in the IB TOK assessment.

8. Regular Feedback from Teachers and Mentors

Regularly seek feedback from your teachers and mentors on your EE and TOK work. Their insights can offer new perspectives and help identify areas for improvement. Constructive feedback is invaluable in refining your work and aligning it closely with IB expectations.

In conclusion, the EE TOK matrix is a critical component of the IB Diploma, offering students the chance to earn additional points crucial for university admissions and scholarships. While the EE and TOK paths can be challenging, Extended Essay Writers provides IB expert assistance. We offer services designed to reduce the stress of writing EE, allowing IB students to balance their academic and personal interests better. Our team of IB writers provides high-quality essays and assists with topic selection, ensuring that students can submit work that stands out. 🏆

Luke MacQuoid has extensive experience teaching English as a foreign language in Japan, having worked with students of all ages for over 12 years. Currently, he is teaching at the tertiary level. Luke holds a BA from the University of Sussex and an MA in TESOL from Lancaster University, both located in England. As well to his work as an IB Examiner and Master Tutor, Luke also enjoys sharing his experiences and insights with others through writing articles for various websites, including extendedessaywriters.com blog

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IB TOK Essay examples

Type a search phrase to find the most relevant TOK Essay examples for you

Not sure what to search for? You can always look through our example Theory of Knowledge coursework below for inspiration.

All TOK Essay Examples

Filter exemplars, for artists and natural scientists, which is more important: what can be explained or what cannot be explained discuss with reference to the arts and the natural sciences., does it matter if our acquisition of knowledge happens in "bubbles" where some information and voices are excluded discuss with reference to two areas of knowledge., want to get full marks for your tok essay allow us to review it for you 🎯, is replicability necessary in the production of knowledge discuss with reference to two areas of knowledge., are visual representations always helpful in the communication of knowledge discuss with reference to the human sciences and mathematics., fast track your coursework with mark schemes moderated by ib examiners. upgrade now 🚀, to what extent is the knowledge we produce determined by the methodologies we use discuss with reference to history and one area of knowledge., tok essay: 5. “how can we distinguish between good and bad interpretations discuss with reference to the arts and one other area of knowledge”, 如果我们是在排除某些信息和声音的“信息同温层”里获取知识，这有关系吗请参考两个知识领域展开你的应答。, does it matter if our knowledge acquisition happens in "bubbles" where some information and voices are excluded discuss with reference to two areas of knowledge., is replicability necessary in the production of knowledge discuss with reference to two areas of knowledge, do you agree that it is “astonishing that so little knowledge can give us so much power” (bertrand russell) discuss with reference to the natural sciences and one other area of knowledge., does it matter if our acquisition of knowledge happens in “bubbles” where some information and voices are excluded discuss with reference to two areas of knowledge., to what extent is the knowledge weproduce determined by the methodologieswe use, for artists and natural scientists, which is more important: what can be explained or what cannot be explained discuss with reference to the arts and natural science., êtes-vous d'accord qu'il est "étonnant que si peu de connaissance puissent nous donner autant de pouvoir" (bertrand russell) - discutez cette question en faisant référence aux sciences naturelles et à un autre domaine de la connaissance, est-il important que notre acquisition des connaissances se fasse dans des « bulles » où certaines informations et certaines voix sont exclues discutez cette question en faisant référence à deux domaines de la connaissance., to what extent is the knowledge we produce determined by the methodologies we use discuss with reference to history and one other area of knowledge., is replicability necessary in the production of knowledge discuss with reference to two area of knowledge, are visual representations always helpful in communicating knowledge discuss with reference to the human sciences and mathematics., are visual representations always useful in communication of knowledge discuss with reference to the human sciences and mathematics., for artists and natural scientists which is more important: what can be explained or what cannot be explained, is replication necessary in the production of knowledge discuss with reference to two aoks., do you agree that it is "astonishing that so little knowledge can give us so much power" (bertrand russell) discuss with reference to the natural sciences and one other area of knowledge., is replicability necessary in the production of knowledge.

EE Assessment Explained

On this page....

You are provided with summary information regarding the assessment of the EE

By navigating to the offical IB resources you can directly access the IB EE Handbook for more information

Total Points

The EE is graded out of 34 points; broken into five mains sections.

A: Focus and method [6 points]

B: Knowledge and understanding [6 points]

C: Critical thinking [12 points]

D: Presentation [4 points]

E: Engagement [6 points]

Criteria A to D is for your Extended Essay, whilst E is for the 500 word reflection.

Letter Grades

From IBO.org

All extended essays are externally assessed by examiners appointed by the IB. They are marked on a scale from 0 to 34.

The score a student receives relates to a band. The bands are:

A – work of an excellent standard.

B – work of a good standard.

C –work of a satisfactory standard.

D – work of a mediocre standard.

E – work of an elementary standard.

Grade Boundaries

The following boundaries were used for the Class of 2018, 2019 and 2020

A = 27 - 34

B = 21 - 26

C = 14 - 20

TOK AND EE TOGETHER

Remember that the Extended Essay in Combination with the Theory of Knowledge Grade make up a total of 3 bonus points towards the IB Diploma.

The matrix on the right shows how the points can be combined from TOK and EE to earn the points.

*If you do not complete or fail either TOK or the EE you are not eligible to receive an IB Diploma.

A: Focus & Method

This criterion focuses on the topic, the research question and the methodology. It assesses the explanation of the focus of the research (this includes the topic and the research question), how the research will be undertaken, and how the focus is maintained throughout the essay.

click the document to see the full description

B:Knowledge & Understanding

This criterion assesses the extent to which the research relates to the subject area/discipline used to explore the research question, or in the case of the world studies extended essay, the issue addressed and the two disciplinary perspectives applied, and additionally the way in which the knowledge and understanding is demonstrated through the use of the appropriate terminology and concepts.

C: Critical Thinking

This criterion assesses the extent to which critical-thinking skills have been used to analyse and evaluate the research undertaken.

D: Presentation

This criterion assesses the extent to which the presentation follows the standard format expected for academic writing and the extent to which this aids effective communication.

E: Engagement

This criterion assesses the student’s engagement with their research focus and the research process. It will be applied by the examiner at the end of the assessment of the essay, and is based solely on the candidate’s reflections as detailed in the RPPF, with supervisory comments and extended essay itself as contex

Grade Descriptors

This two page doc is extracted from the IB Booklet titled Grade Descriptors .

The IB EE Guide clearly states...

"The extended essay is externally assessed, and as such, supervisors are not expected to mark the essays or arrive at a number to translate into a grade. Predicted grades for all subjects should be based on the qualitative grade descriptors for the subject in question. These descriptors are what will be used by senior examiners to set the boundaries for the extended essay in May 2018, and so schools are advised to use them in the same way."

Unpacking the Criteria

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Your chance of acceptance, your chancing factors, extracurriculars, understanding ib tok points.

Can someone explain the IB TOK points system to me? I'm a bit confused with how I can earn points in theory of knowledge. How do these points factor into my overall diploma score and influence college admissions?

Of course! Let me break down the International Baccalaureate (IB) Theory of Knowledge (TOK) points system for you.

The Theory of Knowledge (TOK) is a part of the IB Diploma Programme's core requirements, alongside the Extended Essay (EE) and Creativity, Activity, Service (CAS). TOK is a course that centers on the philosophical investigation of knowledge, by evaluating ways of knowing and exploring areas of knowledge.

TOK is assessed through an essay (externally assessed) and a presentation (internally assessed). The TOK essay is worth 10 points, while the TOK presentation is worth 10 points as well, making a total of 20 points available for the course.

The essay requires you to respond to one of six prescribed titles provided by the IB, and it should be between 1,200 and 1,600 words. The presentation is an oral task based on a real-life situation of your choosing, which you will explore through TOK concepts.

Now, how do TOK points impact your overall IB Diploma score? The TOK and Extended Essay (EE) combine to form the "Diploma Points Matrix," where your scores in both components are combined to create up to 3 bonus points that contribute to your final 45-point diploma score. These bonus points can help you achieve a higher total diploma score, if you meet the requirements, but failing to achieve minimum points in either TOK or EE can lead to not receiving the diploma.

Regarding college admissions, TOK points are not typically considered as a standalone item by admissions officers. However, a strong TOK essay or presentation can reflect your critical thinking and communication skills. More importantly, the overall IB Diploma score, which is affected by TOK points, plays a role in admissions decisions.

Colleges often have a minimum required IB score for applicants as they evaluate the academic rigor and coursework. Regarding specific IB course grades, subject grades might also be relevant for admission if your intended major aligns with courses taken in high school.

In conclusion, TOK points impact your overall IB diploma score by adding up to 3 bonus points when combined with your Extended Essay score. The overall diploma score is a better indicator for college admissions than the sole TOK points, but doing well in TOK shows your ability to think critically and communicate effectively.

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IB Diploma Requirements

How do I obtain the IB Diploma?

Being awarded the IB Diploma is dependent on successful completion of specific assessments and examinations during 11th and 12th grades. Receiving the IB Diploma is NOT based on the report card grades that students receive during these years. Students are notified of their scores on IB assessments in July of their senior year.

The IBO Rules for the Award of the IB Diploma are as follows:

Assessment of Student Work

Each of the six subjects that contribute towards the award of the Diploma is assessed on a scale of 1 – 7.

For Theory of Knowledge (TOK) and the Extended Essay (EE), the grades are on a scale of A to E, with A being the highest.

Grades are a combination of Internal Assessments, marked by BSGE teachers, and External Assessments – exams and other work marked by IB examiners living in various parts of the world. Between twenty and twenty – five percent of the marks in each subject are based on Internal Assessments.

Each subject counts for a maximum of 7 points, allowing for a total of 42 points (6 courses x 7 points = 42 points). Theory of Knowledge and the Extended Essay can add a total of 3 points to your IB score, bringing the maximum total to 45. Apart from various failing conditions (described below) a candidate needs 24 points to earn the IB Diploma. Incomplete work in either the Extended Essay, Theory of Knowledge or in Creativity, Activity, Service (CAS) results in making the candidate ineligible for the IB Diploma.

Predicted Grades:The predicted grade is the teacher’s prediction of the grade the candidate is expected to achieve in the subject (course), based on all the evidence of the student’s work and the teacher’s knowledge of IBO standards. The IBO uses the teachers’ predicted grades to consider the performance of candidates. IB exam grades (scores) and BSGE report card grades are not the same.

Given that IBO exam results are generally released in July of each year, students’ IB Diploma exam grades and overall score are not factored into their report card grades.

The College Office may inform colleges and universities of the students’ predicted grades.

Conditions for the Award of the Diploma

The minimum number of points needed to get the Diploma is 24. There are some additional rules to be aware of as well.

If you receive 24 or more points (up to 45), you will receive the IB Diploma provided all the following requirements have been met:

• Numeric grades (as opposed to an “N”) have been awarded in all six subjects registered for the IB diploma.
• All CAS requirements have been met.
• Grades A to E have been awarded for both Theory of Knowledge and an Extended Essay, with a grade of at least D for both of them.
• There is no grade 1 in any subject.
• There are no more than two grade 2s awarded.
• There are no more than three grade 3s or below awarded.
• At least 12 points have been gained on Higher Level subjects.
• At least 9 points have been gained on Standard Level subjects.

Award of the IB Course Certificate

An IB Diploma candidate who fails to satisfy the requirements for the award of an IB Diploma will be awarded an IB Course Certificate indicating the grades obtained in individual subjects, together with results in Theory of Knowledge and the Extended Essay and the completion of a CAS program.

Download the BSGE IB Diploma Program Guide (new document coming soon) For additional information on the IBO, visit www.ibo.org .

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Connect with code E4045H to get instant alerts or log in with your eChalk user account for the latest updates from all your classes and groups.

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Extended Essay Support Site

Grade boundaries.

After marks are awarded for all five assessment criteria , they are converted into letter grades using 'grade boundaries'. Grade boundaries are not subject specific. In theory these boundaries can change from year to year. In practice they usually stay the same. The following boundaries can be applied to sample Extended Essays. They can also be used as a tool to determine a candidate's 'predicted grade'. Please note, however, that the 'official' boundaries are not published by the IB until after each exam session.