International Mathematical Olympiad vs Summer at Simons

Comparing two elite STEM opportunities. International Mathematical Olympiad is a olympiad while Summer at Simons is a internship.

International Mathematical Olympiad Summer at Simons
Prestige Tier Tier 1 — Elite Tier 2 — Highly Competitive
Type Olympiad Internship
Organization IMO Official Simons Foundation
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, but estimated at 5-15% given high prestige and limited spots per center (~3-10 positions per center per summer)
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 Likely 200-500+ total applications across all centers annually, though not confirmed
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) Undergraduate students and graduate/post-doctoral students only - high school students are NOT eligible
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... Summer at Simons is viewed VERY POSITIVELY by graduate admissions committees and prestigious employers. Impact includes: 1) STRONG indicator of research capability and commitment to academic career - ...