Comprehensive resources, theory, practice questions, mock tests, national selection tests with solutions, lab and mindset guides, and more – all in one place!
Start Preparing Now Join the CommunityCreated by talented students and former IJSO medalists, this guide aims to provide accessible, high-quality resources for students preparing for the International Junior Science Olympiad. Our mission is to level the playing field and help students worldwide excel in science competitions.
Comprehensive coverage of physics, chemistry, and biology topics in the IJSO syllabus.
Targeted, topic-wise questions across all IJSO subjects—complete with hints and solutions.
Practice with full-length, realistic mock exams with answers.
Massive collection of national junior science olympiad papers of diffrent countries.
Avoid frequent pitfalls and exam traps with this helpful guide.
Top books, notes, and links for mastering all IJSO topics.
Learn from gold medalists how to think, work, and win.
Understand and recognize all key experimental tools in physics, chem, and bio.
Read inspiring journeys of students who triumphed at the IJSO and beyond.
If you wish to contact us, feel free to fill out this short form or email us at ijsoguide@gmail.com. We will be happy to hear from you!