Science Talent Search (STS) vs Regeneron ISEF Awards

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

Science Talent Search (STS) Regeneron ISEF Awards
Prestige Tier Tier 1 — Elite Tier 2 — Highly Competitive
Type Competition Competition
Organization Society for Science Society for Science
Acceptance Rate Highly competitive; specific percentage not available Approximately 1,600-1,700 finalists compete at ISEF annually out of significantly larger pool competing at 365+ affiliated fairs; roughly 600 finalists receive awards/prizes (37.5% of finalists awarded)
Applicants Thousands of high school students compete through affiliated science fairs nationwide Over 1,600 finalists selected annually from 365 Society-affiliated fairs across 60+ countries and territories; total number competing at all affiliated fairs globally is much larger (tens of thousands)
Deadline
Award $7,000,000
Cost to Apply Free Free
US Only Yes No / International
Grades High school seniors only 9th through 12th grade (high school students)
College Impact The Regeneron Science Talent Search is among the most prestigious science competitions and significantly impacts college admissions. Finalists are nationally recognized and receive considerable presti... Reaching Regeneron ISEF as a finalist is extremely prestigious in college admissions and carries significant weight. Top colleges (Ivy League, Stanford, MIT, etc.) view ISEF participation highly favor...