Study Tips
Understanding the OSN Stages: District, Province, National
The OSN selection is tiered. Understand each stage so your preparation stays focused.
Presisi Academy Team 1 min read
The National Science Olympiad runs in tiers, usually starting at district/city level, then provincial, and finally national. Each stage has its own question style and difficulty.
Early stage: tests basic concepts and accuracy
Provincial stage: deeper questions that demand reasoning
National stage: advanced problem solving
Always check the current year's official guidelines for the latest schedule and rules.
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Announcements
Online OSN Training Registration Is Open
Live online OSN classes for primary to senior high are now open for registration. In-person classes will follow.
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