Regeneron ISEF 2026 vs Zero Robotics High School Tournament

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

Regeneron ISEF 2026 Zero Robotics High School Tournament
Prestige Tier Tier 1 — Elite Tier 2 — Highly Competitive
Type Competition Competition
Organization Regeneron NASA
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. Unknown; appears highly selective with approximately 15-16 teams reaching finals
Applicants Millions of students compete in science fairs globally each year; approximately 1,700–1,800 reach ISEF as finalists Unknown exact number; appears to be a national competition with teams from across US and potentially international participants
Deadline
Cost to Apply Free Free
US Only No / International No / International
Grades Grades 9–12 (high school students only; middle schoolers compete in the separate Junior Innovators Challenge) High school (grades 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... Extremely positive for college admissions. This is a prestigious NASA-sponsored competition with real ISS execution component, which is exceptionally rare for high school students. Demonstrates: advan...