Preparing for OSN from scratch starts with mastering the basic material in the official syllabus, then climbing gradually to olympiad-level problems through targeted practice. OSN is the National Science Olympiad organized by Kemendikdasmen through Puspresnas and BPTI, tiered from school to national level. Consistent preparation from early on widens the chance of advancing far.
- Master the basics via the official syllabus before olympiad problems
- OSN is tiered: school, district, province, then national
- Targeted practice with a mentor speeds up progress
- The official OSN syllabus per field from Puspresnas or BPTI
- Foundational textbooks for your grade level
- Past OSN problems with their solutions