Lemelson-MIT InvenTeams vs Regeneron ISEF 2026
Comparing two highly competitive STEM opportunities. Both are competitions for high school students.
| Lemelson-MIT InvenTeams | Regeneron ISEF 2026 | |
|---|---|---|
| Prestige Tier | Tier 2 — Highly Competitive | Tier 1 — Elite |
| Type | Competition | Competition |
| Organization | Lemelson-MIT Program at MIT | Regeneron |
| Acceptance Rate | Approximately 8-10% (based on 8 teams selected annually; suggests 80-100+ applications per year, though exact applicant count not publicly available) | 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. |
| Applicants | Estimated 80-100+ schools apply annually (extrapolated from 8 selections) | Millions of students compete in science fairs globally each year; approximately 1,700–1,800 reach ISEF as finalists |
| Deadline | Rolling | — |
| Award | $7,000 | — |
| Cost to Apply | Free | Free |
| US Only | Yes | No / International |
| Grades | High school students (9-12) | Grades 9–12 (high school students only; middle schoolers compete in the separate Junior Innovators Challenge) |
| College Impact | 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; ... | 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... |