Regeneron International Science and Engineering Fair (ISEF)
Organization: Society for Science
Quick Answer
Regeneron International Science and Engineering Fair (ISEF) is a free competition run by Society for Science for high school students in grades 9–12. It combines online and in-person components in Various (rotates annually). Applications are due March 15, 2027. See the key facts table below for cost, eligibility, and application details, and always confirm specifics on the official program site.
Program Overview
Compete in the world's largest pre-college STEM competition. Present original research and compete for millions in awards and scholarships.
Program Details
| Organizer | Society for Science |
|---|---|
| Category | STEM (Science, Technology, Engineering, Math) |
| Format | Hybrid (In-Person & Online) |
| Location | Various (rotates annually) |
| Cost | Free |
| Eligibility | Grades 9–12 |
| Application deadline | March 15, 2027 |
| Country | USA |
| Listing last updated | July 27, 2026 |
Frequently Asked Questions
How much does Regeneron International Science and Engineering Fair (ISEF) cost?
Regeneron International Science and Engineering Fair (ISEF) is completely free — there is no participation fee. Costs like travel or optional materials may still apply; check the official site for details.
What is the application deadline for Regeneron International Science and Engineering Fair (ISEF)?
The application deadline is March 15, 2027. Always confirm on the program's official site, as dates can shift between cycles.
Who is eligible for Regeneron International Science and Engineering Fair (ISEF)?
Regeneron International Science and Engineering Fair (ISEF) is open to high school students in grades 9–12. Some programs have additional requirements (GPA, coursework, essays, or recommendations) — the full criteria are on the official site.
Is Regeneron International Science and Engineering Fair (ISEF) online or in person?
Regeneron International Science and Engineering Fair (ISEF) is a hybrid program with both online and in-person components (in-person portions in Various (rotates annually)).
How do I apply to Regeneron International Science and Engineering Fair (ISEF)?
Apply directly through Society for Science's official website. ExtracurricularHub links to the official application — we list and verify programs but don't process applications.
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Learn More
Visit the official program website: Society for Science