Regeneron Science Talent Search vs International Physics Olympiad

Comparing two elite STEM opportunities. Regeneron Science Talent Search is a competition while International Physics Olympiad is a olympiad.

Regeneron Science Talent Search International Physics Olympiad
Prestige Tier Tier 1 — Elite Tier 1 — Elite
Type Competition Olympiad
Organization Society for Science International Physics Olympiad Organization
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. Extremely selective. Only 5 students per country advance (approximately 400-420 students total compete at IPhO from 80+ countries). At national level, typically 0.01-0.1% of secondary students reach IPhO depending on country.
Applicants Approximately 2,000 projects submitted per year; historically 147,000 students have competed since 1942 Varies dramatically by country. China, Russia, USA, South Korea, India, and Taiwan have thousands of competitors in national rounds. Globally, estimated 100,000+ students compete in preliminary rounds across all participating countries.
Deadline 2026-11-05
Cost to Apply Free $0
US Only Yes No / International
Grades High school seniors only Secondary school students (typically grades 10-12, though exact definitions vary by country)
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, ... Extremely prestigious for college admissions. IPhO medals (especially gold) are among the most respected accomplishments in high school physics competitions and are viewed extremely favorably by: (1)...