Singapore Chemistry Olympiad (SChO) 2026: Guide
Q: What is the SChO (Singapore Chemistry Olympiad)?
A: The Singapore Chemistry Olympiad (SChO) is Singapore's national chemistry competition for JC and IP Year 5 - 6 students taking H2 Chemistry. It is historically organised by the NUS Department of Chemistry in collaboration with CDAC. Top performers may be selected for Singapore's International Chemistry Olympiad (IChO) training team.
TL;DR
The SChO tests H2-level chemistry knowledge through theory and practical components.
It is the main national selection pathway for Singapore's IChO team.
Always confirm dates, format, and eligibility against the latest official organiser circular for your cohort.
Registration quick answer (Singapore): Schools typically nominate candidates - confirm the current registration process with your school's chemistry teacher-in-charge and check for announcements from CDAC or the NUS Department of Chemistry.
1 What is SChO?
The Singapore Chemistry Olympiad (SChO) is a national-level chemistry competition historically organised by the NUS Department of Chemistry in collaboration with CDAC (Chinese Development Assistance Council). It targets JC and IP Year 5 - 6 students who are studying or have completed H2 Chemistry.
The competition has historically included both theory and practical components, though the exact format may vary across cycles. Top-performing students are considered for the national training team that represents Singapore at the International Chemistry Olympiad (IChO).
2 Eligibility and format
| Aspect | Detail (confirm with the latest organiser circular) |
| Target level | JC1/JC2 and IP Year 5 - 6 students taking H2 Chemistry |
| Registration | Typically through school nomination - confirm with your teacher-in-charge |
| Theory component | Historically covers organic, inorganic, and physical chemistry at H2 level and beyond |



