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IB Diploma subjects
Every IBDP subject by group, at Higher Level and Standard Level. Pick one for past papers, mark-scheme guidance, free courses, and revision help.
52 free IB courses with 871 lessons — TOK, Extended Essay, CAS, English, languages, history, geography, sciences, maths, and Group 6 arts — criterion-based marking on every topic.
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
Group 7 · Core
Past papers, courses, and criterion marking
Each subject page lists exam papers and markband guidance. Where we have a full course, you can revise topic-by-topic with worked examples and practise with IB criterion marking — all free.