Brazilian Chemistry Olympiad (Olimpiada Brasileira de Quimica)
STEMPhase II (following the usual October pattern, per the Parana state schedule)approximate
October 23, 2026 (UTC-3)
Brazil's national chemistry competition, run in two divisions for students in different years of secondary school. State level rounds feed into a national theory exam, and a further advanced course and evaluation choose the delegation that represents Brazil at the International Chemistry Olympiad and the Ibero-American Chemistry Olympiad.
Registration
- Format
- Hybrid
- Age
- 15-18
- Participation
- Individual
- Location
- Brazil
- Entry fee
- Free
- Prize
- Medals by phase; top finishers advance to the Advanced Chemistry Course and IChO delegation selection.