Using The Republic in IB Philosophy and TOK: Grading to Assessment Criteria
Published on September 20th, 2026 by the GraideMind team
The Republic is a natural resource for IB Theory of Knowledge and philosophy-adjacent coursework. Its questions about knowledge, appearance, and justice connect directly to the areas of knowledge and ways of knowing that students explore. Teachers often use it as a shared text across the course.

Grading IB work adds another layer, because teachers must apply official criteria and predict how an external examiner might see the work. A strong Plato essay in a regular class may not automatically meet those descriptors. Alignment takes deliberate effort.
The upside is that IB criteria are detailed, which makes them a good foundation for feedback. Students who understand the language of the criteria can plan their essays more effectively.
Here are practical ideas for using Republic assignments in IB contexts.
Map Assignments to the Criteria
Start by listing the official criteria and identifying which parts of the Plato assignment address each one. If the criteria emphasize evaluation of knowledge claims, design the prompt around whether Plato's account of knowledge is convincing.
- Focus on knowledge questions, such as the difference between belief and knowledge.
- Require clear links between the text and real-life situations.
- Ask for at least one counterclaim and a response.
- Have students practice using the criteria language in self-assessment.
- Use past exemplar essays to show what each band looks like.
Students perform better when they can see the criteria in action on a real piece of writing.
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Frame comments using the same vocabulary students will see on official feedback. Instead of "needs more depth," say which criterion is not fully met and what would move the essay to the next level.
This trains students to think in the way assessors do. It also keeps your feedback tied to something concrete, rather than a general impression.
Use Drafts and Word Limits Wisely
IB assignments often have strict word limits and rules about how much teacher input is allowed. Check the current guidelines for your subject before giving detailed comments on drafts. Where allowed, focus feedback on general suggestions rather than line edits.
Practice essays before the official ones give students a chance to learn without pressure. Use those to experiment with feedback styles and see what helps most.
Managing Marking Across a Cohort
Because IB teachers often mark practice work repeatedly, efficiency matters. Rubric-driven AI tools can load the criteria and provide an initial band estimate with comments tied to the descriptors. Teachers review, adjust, and add personal notes.
The final judgment, especially for internally assessed work that will be moderated, stays with the teacher. The tool just shortens the path to a well-organized first draft of feedback.
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