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Theory of knowledge
Theory of knowledge (TOK) is assessed through an exhibition and a 1,600 word essay.
It asks students to reflect on the nature of knowledge, and on how we know what we claim to know.
TOK is part of the International Baccalaureate® (IB) Diploma Programme (DP) core, and is mandatory for all students.
Learn more about theory of knowledge . You can also find examples of TOK essay titles and read about how the IB sets deadlines for TOK .
You may also be interested in the other components of the DP core: creativity, activity, service (CAS) and the extended essay .
Learn more about TOK in a DP workshop for teachers .
DP subject briefs
Our course selection guidance contains subject briefs for both standard and higher level, including information about core requirements, aims and assessment.
- Read DP subject briefs


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Exploring IB Subject Choices: How to Choose the Right Subjects for You
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More than 5,600 schools in 160 countries around the world offer the International Baccalaureate (IB) programme. With so much information about the various IB programmes, it’s easy to get confused. This blog will give an in-depth view of the subjects you will study for the IB Diploma Programme and which ones you should choose.
What is the International Baccalaureate (IB)?
The International Baccalaureate (IB) programme is an internationally recognised school curriculum that aims to foster open-minded and well-rounded students.
The IB offers four programs catered to students ages 3 to 19. The IB Diploma Programme (DP), a two-year “pre-university” course that students start in their second-to-last year of high school, is the most popular. You can take the DP as an alternative to your high school qualification, which might be GCSE, A Levels, AP, HSC, VCE, or NCEA, depending on your location.
The Diploma Programme is composed of six academic subject groups and the Diploma Program (DP) Core . The DP Core requires students to reflect on the nature of knowledge in a course called Theory of Knowledge (ToK) , participate in an independent research project to produce an Extended Essay (EE) , and engage in extracurricular activities related to Creativity, Action and Service (CAS) .
Selecting the right subjects is crucial for a successful IB experience. The subjects chosen not only shape your academic journey but also have a profound impact on the overall learning, engagement, and achievements. Furthermore, selecting a well-rounded combination of subjects ensures a balanced and comprehensive education, providing you with a broad range of knowledge and skills. The right subject choices also play a vital role in meeting university and career requirements, enabling students to pursue higher education and professional pathways seamlessly. By carefully selecting subjects, you can tailor your IB experience to suit your unique abilities, aspirations, and personal growth, ultimately maximizing your potential and achieving success.

Understanding the IB Subject Groups
Of the six academic subject groups offered in the IB Diploma, students must take one class from groups 1-5 . They can either take a subject from group six or a second subject from groups 2-5 . Additionally, students must take three or four subjects at Higher Level (HL), with the remainder taken at Standard Level (SL). Subject selection depends on what your school offers.
Group 1: Studies in Language and Literature
Courses in this group help students develop an appreciation of language and literature, skills in literary criticism, an understanding of texts from diverse cultures and eras, and strong written and oral communication skills.
Courses available in this group include literature (available in 55 languages), Language and Literature (available in 17 languages), and Literature and Performance (available in English, Spanish, and French).
Group 2: Language Acquisition
This group encourages proficiency in a second language and promotes understanding of other cultures by studying their language.
Students can study languages at two different levels: Ab initio courses are for beginners with little to no background in their chosen language. Language B courses are for students with some prior exposure to the language. Language B courses are available at a standard level or higher level.
Group 3: Individuals and Societies
Subjects in this area encourage students to appreciate the physical, economic and social environments in our world. They also allow students to develop an understanding of the history of social and cultural institutions.
Subjects commonly offered in Group three include Business Management, Economics, Geography, History, Global Politics, Philosophy, Psychology, Information Technology in a Global Society, Anthropology and World Religions.
Group 4: Sciences
Students in natural sciences courses learn the scientific method through studying key concepts, models, theories, and techniques in each subject area.
Students must choose Biology , Chemistry , Physics , Computer Science, Design Technology or Sports, Exercise and Health Science.
Group 5: Mathematics
IB Mathematics caters to the full range of abilities and interests. Subjects available include Mathematics SL, Mathematics HL, Mathematics Studies SL, and Further Mathematics HL. There is a mathematics course suitable for the background and needs of each student.

Group 6: The Arts (Optional)
Designed to provide a balance of creativity and disciplined research in the genres of choice, Arts include Dance, Music, Film, Theatre, and Visual Art.

Finalizing Your Subject Choices
When selecting your IB subjects, it's important to consider the following factors:
- Personal Strengths and Interests : Identify your academic strengths and subjects that genuinely interest you. Choosing subjects that align with your abilities and passions can lead to greater motivation and enjoyment of the learning process.
- University and Career Requirements : Research the entry requirements and subject preferences of the universities or programs you're interested in . Certain degrees or career paths may have specific subject prerequisites or recommendations that you need to consider.
- Core Requirements : Familiarize yourself with the core requirements of the IB Diploma Programme, such as Theory of Knowledge (TOK), Extended Essay (EE), and Creativity, Activity, Service (CAS). Ensure that your chosen subjects allow you to fulfill these core components.
- Balance and Breadth : Aim for a well-rounded combination of subjects across different IB subject groups. This helps you develop a broad range of skills and knowledge, demonstrating your versatility and adaptability.
- Level of Difficulty : Consider the workload and difficulty level of each subject . Reflect on your time management skills and capacity to handle challenging courses. Striking a balance between subjects that challenge you and those that play to your strengths is crucial.
- Long-Term Goals : Reflect on your future aspirations and how your chosen subjects align with your intended university major or desired career field. Certain subjects may provide a more solid foundation or be directly relevant to your intended field of study.
- Teacher Expertise and Resources : Take into account the availability of experienced and supportive teachers for the subjects you're considering. Consider the resources, facilities, and extracurricular opportunities offered in each subject area.
- Collaboration and Synergy : Think about how your chosen subjects complement each other. Look for opportunities where subjects overlap or reinforce each other's concepts, which can enhance your understanding and performance in those areas.
- Flexibility and Room for Growth : While it's important to choose subjects you're genuinely interested in, also consider the potential for flexibility and the opportunity to explore new areas of study. Leaving room for growth and open-mindedness can lead to unexpected discoveries and intellectual development.
- Advice and Guidance : Seek advice from academic advisors, IB coordinators, subject teachers, and mentors who can provide insights and guidance based on their expertise and knowledge of the IB program .
Remember, selecting your IB subjects is a significant decision, so take the time to evaluate these factors and make an informed choice that aligns with your abilities, aspirations, and desire for a fulfilling and successful IB experience.
Final Thoughts
While challenging, the IB diploma programme offers a holistic and high-quality curriculum that prepares you for university studies and life beyond high school. Tools like Crimson’s Revision Village offer a comprehensive collection of study materials designed explicitly for IB exams. This includes:
- Question banks
- Practice exams
- Past papers
By utilizing resources like Revision Village and adopting effective study strategies, students can enhance their preparation, gain a deeper understanding of the subject matter, and excel in the exams. With dedication, perseverance, and the right approach, students can overcome this demanding course's challenges and succeed in their academic journey.
To further boost your chances of success in IB exams, consider Crimson Education's online tutoring services . Crimson's expert tutors can provide personalized guidance, tailored strategies, and invaluable support throughout your IB journey. Don't miss the opportunity to maximize your potential— book a free consultation with Crimson Education today and get started on your path to academic success.
What Makes Crimson Different
Key Resources & Further Reading
- Pros and Cons of the International Baccalaureate
- How to Prepare for the IB Diploma: Top 10 Study Tips
- The IB Scores Needed for the Top Universities in the World
- What are AP Classes in High School?
- Everything you need to know about the AS, A2 and A Levels
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Theory of knowledge (TOK) is assessed through an exhibition and a 1,600 word essay. It asks students to reflect on the nature of knowledge, and on how we know what we claim to know. TOK is part of the International Baccalaureate® (IB) Diploma Programme (DP) core, and is mandatory for all students. Learn more about theory of knowledge.
Theory of Knowledge Theory of Knowledge for the IB Diploma 3rd Edition Theory of Knowledge for the IB Diploma 3rd Edition Fully updated for first examination from 2022 and written by experienced authors and examiners, this third edition takes your students on a journey of exploration.
Welcome to TOK 2022 Theory of Knowledge website for students and teachers of the IB Diploma Programme. Written by An Gulinck This website is organised along the lines of the new TOK specification (first teaching August 2020, first examination May 2022).
International Baccalaureate curriculum IB Diploma IB Theory of Knowledge IB Theory of Knowledge | Available in print and digital Curriculum: International Baccalaureate Ages: 16-18 years Support your learners as they explore IB Diploma Theory of Knowledge (TOK) in line with the 2020 curriculum, with series editor Sue Bastian. Free 2 month trial
Theory of Knowledge for the IB Diploma All Titles Look Inside Theory of Knowledge for the IB Diploma Course Guide with Digital Access (2 Years) ISBN:9781108865982 Format:Print/online bundle Subject (s):Theory of Knowledge Qualification:IB Diploma Author (s):Wendy Heydorn, Susan Jesudason, Richard van de Lagemaat Available from: June 2020
Theory of Knowledge for the IB Diploma | Theory of Knowledge for the IB Diploma | Cambridge University Press Theory of Knowledge for the IB Diploma | Written by experienced practitioners this resource for Theory of Knowledge for the IB Diploma offers comprehensive coverage of and support for the new subject guide. | Richard van de Lagemaat
Theory ofKnowledge for the IB Diploma SECOND EDITION Richard van de Lagemaat Cambridge University Press's mission is to advance learning, knowledge and research worldwide. Our IB Diploma resources aim to: encourage learners to explore concepts, ideas and topics that have local and global significance
Theory of Knowledge for the IB Diploma: Skills for Success Second Edition: Skills for Success. $27.28 $ 27. 28. Get it as soon as Monday, May 15. Only 19 left in stock - order soon. Ships from and sold by Amazon.com. + Theory of Knowledge for the IB Diploma: Teaching for Success. $56.99 $ 56. 99.
The International Baccalaureate (IB) programme is an internationally recognised school curriculum that aims to foster open-minded and well-rounded students. The IB offers four programs catered to students ages 3 to 19. The IB Diploma Programme (DP), a two-year "pre-university" course that students start in their second-to-last year of high ...
This item: Theory of Knowledge for the IB Diploma: TOK for the IB Diploma (Pearson International Baccalaureate Diploma: International Editions) by Sue Bastian Paperback . $64.83. Only 18 left in stock - order soon. Ships from and sold by Amazon.com. Get it as soon as Wednesday, Mar 1.
Decoding Theory of Knowledge for the IB Diploma Skills Book with Digital Access (2 Years): Themes, Skills and Assessment. Wendy Heydorn. 4.7 out of 5 stars ...
Decoding Theory of Knowledge for the IB Diploma ISBN:9781107628427 Format:Paperback Subject (s):Theory of Knowledge Qualification:IB Diploma Author (s):Wendy Heydorn, Susan Jesudason Available from: September 2013
This edition of Theory of Knowledge for the IB Diploma is fully revised for first examination in September 2015. The coursebook is a comprehensive, original and accessible approach to Theory...
Theory of Knowledge for the IB Diploma. Resources. Fully updated for first examination from 2022 and written by experienced authors and examiners, this third edition takes your students on a journey of exploration. It helps students flourish as knowers by leading them to make connections across areas of knowledge and themes. In addition, it ...
This edition of Theory of Knowledge for the IB Diploma is fully revised for first examination in September 2015. The coursebook is a comprehensive, original and accessible approach to Theory of Knowledge, which covers all aspects of the revised subject guide. A fresh design ensures the content is accessible and user friendly and there is ...
Theory of Knowledge for the IB Diploma All Titles Decoding Theory of Knowledge for the IB Diploma Digital Skills Book (2 Years) ISBN:9781108928694 Format:eBooks Subject (s):Theory of Knowledge Qualification:IB Diploma Author (s):Wendy Heydorn, Susan Jesudason Available from: November 2020
$40.10 (35) Only 1 left in stock - order soon. A new, full-colour edition of the best-selling Theory of Knowledge for the IB Diploma. Now available as a full-colour version, this is a comprehensive, best-selling title for the Theory of Knowledge course in the IB Diploma Programme.
Theory of Knowledge (TOK) is a compulsory core subject of the International Baccalaureate Diploma Programme. It is marked on a letter scale (A-E) and aims to "provide an opportunity for students to reflect on the nature of knowledge, and on how we know what we claim to know." [1]
A new, full-colour edition of the best-selling Theory of Knowledge for the IB Diploma. Now available as a full-colour version, this is a comprehensive, best-selling title for the Theory of Knowledge course in the IB Diploma Programme. It is also useful for students following other critical thinking courses.
Developed in cooperation with the International Baccalaureate®Confidently navigate the Theory of Knowledge Guide with a set of rich and engaging resources,grounded in conceptual considerations and illustrated with real-world examples.- Guide students by helping them examine the nature of knowledge and their own status as a knower.- Develop diverse and balanced arguments with a variety of ...