iOS

The International Olympiad of Science (iOS) is a school-level science olympiad conducted by the SilverZone Foundation, a non-profit organisation that organises academic olympiads across India. iOS tests students' understanding of science concepts, including physics, chemistry, biology and general science. Conducted for students of eligible classes through participating schools, the exam is held in an objective format and recognises top performers with medals, certificates and scholarships. iOS aims to develop scientific aptitude and conceptual clarity among school students. This page covers complete iOS details – eligibility, exam pattern, important dates, application process and preparation tips.