IB Theory of Knowledge

IB Theory of Knowledge

Use this IB Theory of Knowledge study guide to browse the syllabus topic structure, study materials, and practice resources.

Structured practice

IB Theory of Knowledge Question Bank

Jump straight into grouped unit practice without losing your place in the syllabus overview.

Open question bank

1 Core Theme: Knowledge and the Knower

1.3 Acquisition and Application of Knowledge

2 Optional Themes: Knowledge and Technology

2.2 The Nature and Transmission of Knowledge

7 Areas of Knowledge: History

7.4 Shared Histories and Knowledge Construction

11 Areas of Knowledge: Mathematics

11.4 Proof and Paradigms in Mathematics

Overview

Course overview

How to study IB Theory of Knowledge

IB Theory of Knowledge (TOK), in its current form first assessed in 2022, is a compulsory Diploma Programme core course about how knowledge is produced, justified, interpreted, and challenged. Students study Knowledge and the knower, two optional themes, and all five areas of knowledge—history, the human sciences, the natural sciences, the arts, and mathematics—through the shared framework of scope, perspectives, methods and tools, and ethics. The StudyIB catalogue below includes resources for all five optional themes so schools and students can use the two they selected; the presence of all five in the catalogue does not mean all five are required.

Knowledge questions and framework

Use scope, perspectives, methods and tools, and ethics to turn a broad topic into a focused question about how knowledge is created, justified, communicated, or limited.

Arguments, examples, and implications

Develop claims with specific real-world examples, examine a serious counter-perspective, and explain what the analysis implies for knowers or knowledge.

Connections across areas of knowledge

Compare how evidence, certainty, interpretation, values, and responsibility operate across areas of knowledge without forcing superficial similarities.

Assessment at a glance

TOK is assessed through one internally assessed exhibition and one externally assessed essay. Both use a holistic 10-mark assessment instrument, but they answer different driving questions and should not be planned as the same type of task.

ComponentFormatWeighting
TOK exhibitionThree objects linked to one official IA prompt, with specific real-world contexts and commentaries; maximum 950 words overall33%
TOK essayResponse to one of six prescribed titles issued for the examination session; maximum 1,600 words67%

Sources: official IB Theory of Knowledge guide (first assessment 2022) and official IB Theory of Knowledge course page.

Revision plan

  1. 1.Confirm the two optional themes selected by your school; all five appear in the StudyIB catalogue for coverage, but only two are required in an individual course.
  2. 2.Build a bank of specific real-world examples organised by knowledge question, area of knowledge, framework element, perspective, and limitation.
  3. 3.For the exhibition, test whether each object has a specific real-world context and makes a distinct, well-justified contribution to the same IA prompt.
  4. 4.For the essay, unpack every term in the session-specific prescribed title, plan a sustained answer, and revise each paragraph for claim, example, analysis, counter-perspective, and implication.

Exam strategy

Keep the exact prompt or prescribed title visible throughout the work. Avoid generic philosophical discussion, invented examples, and technique checklists. Explain how each example changes the argument, compare perspectives fairly, and make implications explicit. The exhibition should explore the prompt through three concrete objects; the essay should answer the prescribed title through a clear, coherent, and critical line of inquiry.

Practise IB Theory of Knowledge questionsChoose and justify IB TOK exhibition objects

Frequently asked questions

What is IB Theory of Knowledge (TOK)?

Theory of Knowledge is a compulsory part of the IB Diploma Programme core. It asks students to examine how knowledge is produced, justified, interpreted, shared, and challenged, with the central question: How do we know what we claim to know?

What topics are studied in the TOK course?

Students study the compulsory Knowledge and the knower core theme, two of five optional themes, and all five areas of knowledge: history, the human sciences, the natural sciences, the arts, and mathematics. The five optional themes are knowledge and technology, language, politics, religion, and indigenous societies.

How is IB TOK assessed?

TOK has two assessment components, each marked out of 10. The internally assessed and externally moderated exhibition contributes 33% of the TOK result; the externally assessed essay on a prescribed title contributes 67%.

What are the requirements for the TOK essay?

Students answer one of six prescribed titles issued by the IB for their examination session. The essay has a maximum length of 1,600 words and should provide a clear, coherent, and critical exploration of the exact title using relevant areas of knowledge, arguments, examples, implications, and perspectives.

What are the requirements for the TOK exhibition?

Students select one of the 35 official IA prompts and create an exhibition of three objects linked to that same prompt. The commentary must identify each object's specific real-world context, explain its link to the prompt, justify its contribution, cite sources, and stay within the overall 950-word maximum.

Can students use AI for a TOK essay or exhibition?

AI can support responsible brainstorming, questioning, feedback, or revision only when this follows the student's school and current IB academic-integrity rules. Students must develop their own analysis, verify claims and citations, disclose permitted assistance where required, and must not submit generated writing or invented evidence as their own work.