International Mathematical Olympiad vs Science Talent Search (STS)

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

International Mathematical Olympiad Science Talent Search (STS)
Prestige Tier Tier 1 — Elite Tier 1 — Elite
Type Olympiad Competition
Organization IMO Official Society for Science
Acceptance Rate Extremely competitive; approximately 0.01-0.1% of high school students worldwide reach IMO. For USA: ~6 students selected from 300,000+ AMC participants annually Highly competitive; specific percentage not available
Applicants Approximately 5,000-6,000 contestants from 100+ countries compete at IMO annually. USA sends 6 representatives from ~300,000 AMC 10/12 participants Thousands of high school students compete through affiliated science fairs nationwide
Deadline
Cost to Apply Free Free
US Only No / International Yes
Grades High school students only; typically grades 9-12 (ages 13-19) High school seniors only
College Impact Extremely positive and highly prestigious. IMO medalists (especially gold) are exceptionally rare and highly valued by top universities globally. Impact includes: (1) Gold/Silver medalists essentially... 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...