Stanford Math Tournament (SMT) 2026 vs Regeneron ISEF 2026

Comparing two highly competitive STEM opportunities. Both are competitions for high school students.

Stanford Math Tournament (SMT) 2026 Regeneron ISEF 2026
Prestige Tier Tier 2 — Highly Competitive Tier 1 — Elite
Type Competition Competition
Organization Stanford University Regeneron
Acceptance Rate Approximately 10-13% based on ~800 participants selected from ~6,000-8,000 estimated applicants (extrapolated from tournament size and typical math competition application rates). School teams have higher acceptance rates than individuals. 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 6,000-8,000 students apply nationally (exact figures not published) Millions of students compete in science fairs globally each year; approximately 1,700–1,800 reach ISEF as finalists
Deadline Rolling
Cost to Apply $0 Free
US Only Yes No / International
Grades High school students only (grades 9-12) Grades 9–12 (high school students only; middle schoolers compete in the separate Junior Innovators Challenge)
College Impact Math competitions like SMT carry MODERATE TO STRONG college admissions weight, particularly for STEM-focused students. Impact includes: (1) DEMONSTRATES MATHEMATICAL PASSION: Shows genuine interest be... 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...