Science & Research
Regeneron International Science and Engineering Fair
The leading international pre-college research fair, with 22 project categories and strict safety and ethics rules.
Current applications & dates
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Regeneron International Science and Engineering Fair 2027
Qualify through a Society-affiliated science fair; national finalist registration is not a direct student application.
Society for Science · ISEF · qualified finalists, Los Angeles: May 8, 2027 – May 14, 2027At a glance
Start with the essentials before committing to a season.
| Detail | What to know |
|---|---|
| Host | Society for Science |
| Season | 2027 |
| Eligibility | Grades 9–12 and under 20 on May 1 before ISEF, with research and fair qualification requirements. Register at your eligible affiliated fair. |
| Format | in-person |
| Registration timing | ISEF · qualified finalists, Los Angeles: May 8, 2027 – May 14, 2027; Affiliated fair application · local cutoff: Date not announced |
| Status | local |
How to register
Use the official registration route and follow these steps.
- 1
Use the official Find a Fair tool; students cannot register directly for ISEF.
- 2
Read the 2027 rules and secure required approvals before beginning regulated research.
- 3
Enter the local or regional affiliated fair and advance through its selection process.
Official links
Dates, eligibility, and fees can change. Confirm the latest information with the organizer before registering.