International Science Olympiad

Science Olympiads are international student competitions. These include:

• International Mathematical Olympiad: IMO ( since 1959)
• International Physics Olympiad: iPho (since 1967)
• International Chemistry Olympiad: IChO (since 1968)
• International computer science Olympiad: IOI (since 1989)
• International Biology Olympiad: IBO (since 1990)
• International Ecology Olympiad: INEPO (since 1993)
• European science Olympiad: EUSO (since 2003)
• International Youth Science Olympiad: IJSO (since 2004)
• International Philosophy Olympiad: IPO (since 1993)
• International Astronomy Olympiad: ILO (since 1996)
• International Astronomy and Astrophysics Olympiad: IOAA (since 2007)
• International Geography Olympiad: Igeo ( published every two years since 1996 )
• International Linguistics Olympiad: ILO ( since 2003)