Regeneron ISEF Awards vs PROMYS - Program in Mathematics for Young Scientists

Comparing two highly competitive STEM opportunities. Regeneron ISEF Awards is a competition while PROMYS - Program in Mathematics for Young Scientists is a summer program.

Regeneron ISEF Awards PROMYS - Program in Mathematics for Young Scientists
Prestige Tier Tier 2 — Highly Competitive Tier 2 — Highly Competitive
Type Competition Summer Program
Organization Society for Science PROMYS
Acceptance Rate 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) Not publicly available; estimated to be highly competitive (likely 10-25% based on prestige tier and selective nature)
Applicants 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) Not publicly specified; estimated 150-300+ applicants annually
Deadline Rolling
Award $7,000,000
Cost to Apply Free $0
US Only No / International No / International
Grades 9th through 12th grade (high school students) High school students (exact grade range not publicly specified on main site, but typically grades 9-12)
College Impact 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... PROMYS is highly respected by college admissions officers, particularly at selective universities. Participation demonstrates: exceptional mathematical talent and motivation; ability to thrive in rigo...