Regeneron ISEF 2026 vs Simons Summer Research Program
Comparing two elite STEM opportunities. Regeneron ISEF 2026 is a competition while Simons Summer Research Program is a summer program.
| Regeneron ISEF 2026 | Simons Summer Research Program | |
|---|---|---|
| Prestige Tier | Tier 1 — Elite | Tier 2 — Highly Competitive |
| Type | Competition | Summer Program |
| Organization | Regeneron | Simons Foundation |
| Acceptance Rate | Roughly 1,700 finalists are selected from 365 affiliated fairs worldwide. Getting to ISEF requires first winning regionally, which itself is competitive. Estimated <1% of all science fair participants globally reach ISEF. At the ISEF itself, approximately 600 of the 1,700 finalists (~35%) receive some award. | Approximately 11-12% (40 fellows selected from ~350 applicants annually as of 2015) |
| Applicants | Millions of students compete in science fairs globally each year; approximately 1,700–1,800 reach ISEF as finalists | Approximately 350 per year |
| Deadline | — | Rolling |
| Cost to Apply | Free | Free |
| US Only | No / International | Yes |
| Grades | Grades 9–12 (high school students only; middle schoolers compete in the separate Junior Innovators Challenge) | High school students (primarily juniors and seniors) |
| College Impact | ISEF finalist status is one of the most powerful extracurricular credentials in college admissions. Being named an ISEF finalist (simply qualifying) is Tier 1 on most admissions frameworks. Grand Awar... | Highly positive impact on college admissions. Summer research programs, especially prestigious ones like the Simons program, are viewed very favorably by college admissions officers because: (1) They ... |