Grade your IB TOK essay against the official markscheme
Paste your TOK essay and get a predicted grade plus AI feedback against the official IB Theory of Knowledge rubric — before your teacher reads a word.
What gets evaluated
- Clear and coherent argument: Whether your essay sustains a clear, focused argument linked to the prescribed title.
- Use of areas of knowledge: Convincing, well-developed exploration of the chosen AOKs in relation to the title.
- Effective use of evidence and examples: Specific, relevant, real-world examples that advance your argument.
- Awareness of perspectives and implications: Evaluation of different viewpoints and the implications of the knowledge claims you make.
Frequently asked questions
- How is the IB TOK essay graded?
- The TOK essay is marked holistically against a single global descriptor out of 10, then mapped to a letter grade. Together with the TOK exhibition, it contributes up to 3 bonus points toward the IB Diploma.
- What is the TOK essay word count?
- The IB TOK essay has a maximum of 1,600 words. Examiners stop reading at the limit, so concise, focused arguments score best.
- Does Criterion know the current prescribed titles?
- Yes. Criterion grades your essay against the IB-prescribed title you select for the current session.
- Will Criterion write my TOK essay for me?
- No. Criterion only provides AI feedback and a predicted grade. It will never draft or paraphrase your TOK essay.