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Science Competitions for Students in Canada and the USA 2027: From Science Fairs to Olympiads

Science competitions are a great opportunity for children and teens who love experimenting and discovering how things work. They build scientific thinking and presentation skills, and they strengthen a student’s academic profile for university. This guide covers the most important science competitions in Canada and the USA for the 2026–2027 school year. It runs from ExploraVision for elementary students to the Canada-Wide Science Fair, Regeneron ISEF and the biology and chemistry olympiads, with dates, locations, fees, eligibility and how to register for each.

Written by: Mahroo Mahdavi

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Science Competitions for Students in Canada and the USA 2027: From Science Fairs to Olympiads