Regeneron ISEF 2026 vs Lemelson-MIT InvenTeams
Comparing two elite STEM opportunities. Both are competitions for high school students.
| Regeneron ISEF 2026 | Lemelson-MIT InvenTeams | |
|---|---|---|
| Prestige Tier | Tier 1 — Elite | Tier 2 — Highly Competitive |
| Type | Competition | Competition |
| Organization | Regeneron | Lemelson-MIT Program at MIT |
| 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 8-10% (based on 8 teams selected annually; suggests 80-100+ applications per year, though exact applicant count not publicly available) |
| Applicants | Millions of students compete in science fairs globally each year; approximately 1,700–1,800 reach ISEF as finalists | Estimated 80-100+ schools apply annually (extrapolated from 8 selections) |
| Deadline | — | Rolling |
| Award | — | $7,000 |
| 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 (9-12) |
| 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... | Lemelson-MIT InvenTeams is viewed very favorably in college admissions, particularly for STEM programs. Selection as an InvenTeam demonstrates: (1) exceptional innovation and problem-solving ability; ... |