International Physics Olympiad vs Science Talent Search (STS)

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

International Physics Olympiad Science Talent Search (STS)
Prestige Tier Tier 1 — Elite Tier 1 — Elite
Type Olympiad Competition
Organization International Physics Olympiad Organization Society for Science
Acceptance Rate 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. Highly competitive; specific percentage not available
Applicants 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. Thousands of high school students compete through affiliated science fairs nationwide
Deadline
Cost to Apply $0 Free
US Only No / International Yes
Grades Secondary school students (typically grades 10-12, though exact definitions vary by country) High school seniors only
College Impact 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)... 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...