EduNinja is an independent online study platform for IB, A-Level, IGCSE and AP students. It brings together syllabus-based topic notes, exam-style questions and mark schemes, step-by-step concept explanations, short diagnostics to help students identify topics to revisit, and a test builder for creating focused practice papers. Students can choose their course, exam board and level, then study and practise topic by topic. EduNinja is operated by Eduninja Limited, a Hong Kong company, and is not affiliated with any examination board.