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International Science Olympiad.

The future of nuclear science starts here.

INSO is a platform for scientific exchange, youth engagement, and international cooperation, with the IAEA encouraging future host countries to broaden participation to include regions outside Asia–Pacific in the coming years.

Riyadh - Kingdom of Saudi Arabia

July 20–30, 2025

Together we generate the energy of the future

International Nuclear Science Olympiad (INSO).

INSO stands for the International Nuclear Science Olympiad. It is currently the premier nuclear science competition for secondary-school students, promoting scientific excellence and international cooperation in the field of nuclear science and technology. The INSO is organized under the auspices of the International Atomic Energy Agency (IAEA), in collaboration with host governments and partner institutions. It is modeled after other international science olympiads, such as the International Physics Olympiad (IPhO) and the International Chemistry Olympiad (IChO) but focuses specifically on nuclear science and its peaceful applications.