Regeneron Science Talent Search vs MLH Fellowship

Comparing two elite STEM opportunities. Regeneron Science Talent Search is a competition while MLH Fellowship is a internship.

Regeneron Science Talent Search MLH Fellowship
Prestige Tier Tier 1 — Elite Tier 2 — Highly Competitive
Type Competition Internship
Organization Society for Science Major League Hacking (MLH)
Acceptance Rate Approximately 0.2-0.3% (2% of ~2,000 applicants become Top 40 finalists; 15% become Top 300 scholars). Highly selective with ~2,000 projects submitted annually. Not publicly disclosed; competitive program but exact rate unknown
Applicants Approximately 2,000 projects submitted per year; historically 147,000 students have competed since 1942 Not publicly disclosed; appears to have multiple cohorts annually
Deadline 2026-11-05 Rolling
Cost to Apply Free Free
US Only Yes No / International
Grades High school seniors only College students and above (program appears designed primarily for undergraduates; high school eligibility unclear)
College Impact Regeneron STS is considered one of the most prestigious high school science competitions and carries significant weight in college admissions, particularly for top-tier universities (Ivy League, MIT, ... Highly valued in college admissions and recruiting. Shows: (1) Real-world experience with production-grade code, (2) Demonstrated commitment to open-source/collaborative development, (3) Recognition b...