Chemistry Olympiad Sri Lanka (COSL)

The Chemistry Olympiad Sri Lanka (COSL) is an annual national chemistry competition run by the Institute of Chemistry Ceylon to identify talented students and foster analytical and problem-solving skills. Winners are awarded National Chemistry Olympiad Gold, Silver, and Bronze medals. The top four students earn the privilege of representing Sri Lanka at the International Chemistry Olympiad (IChO).

National Gold, Silver and Bronze medals; top four earn selection to represent Sri Lanka at the International Chemistry Olympiad (IChO).

Secondary / pre-university students (high-school level) in Sri Lanka.