International science fair where students in grades 9-12 present an independent research project. You cannot apply directly: students qualify by winning at one of nearly 400 Society-affiliated fairs. Entrants must be under 20 and may enter only one project.
Offered by Society for Science. Competition for high school students in Worldwide. Format: Hybrid. Cost: Free. Grades 9–12. Deadline: rolling or not yet announced.
Fields: STEM, Engineering, Biology
Info checked October 2026.
No date is posted for the 2026-27 cycle yet. Check the official page for when applications open.
Yes. Regeneron ISEF is free to take part in.
High school students in grades 9 to 12. It runs online and in person (Worldwide). Age, residency and citizenship rules are on the official page.
More academic competitions for high school students