International Mathematical Olympiad vs MLH Fellowship

Comparing two elite STEM opportunities. International Mathematical Olympiad is a olympiad while MLH Fellowship is a internship.

International Mathematical Olympiad MLH Fellowship
Prestige Tier Tier 1 — Elite Tier 2 — Highly Competitive
Type Olympiad Internship
Organization IMO Official Major League Hacking (MLH)
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 Not publicly disclosed; competitive program but exact rate unknown
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 Not publicly disclosed; appears to have multiple cohorts annually
Deadline Rolling
Cost to Apply Free Free
US Only No / International No / International
Grades High school students only; typically grades 9-12 (ages 13-19) College students and above (program appears designed primarily for undergraduates; high school eligibility unclear)
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... 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...