International Biology Olympiad (IBO) vs Stanford Math Tournament (SMT) 2026

Comparing two elite STEM opportunities. International Biology Olympiad (IBO) is a olympiad while Stanford Math Tournament (SMT) 2026 is a competition.

International Biology Olympiad (IBO) Stanford Math Tournament (SMT) 2026
Prestige Tier Tier 1 — Elite Tier 2 — Highly Competitive
Type Olympiad Competition
Organization International Biology Olympiad Stanford University
Acceptance Rate Highly competitive; typically only 4 students per country compete at international level. Exact global acceptance rate unknown but extremely selective Approximately 10-13% based on ~800 participants selected from ~6,000-8,000 estimated applicants (extrapolated from tournament size and typical math competition application rates). School teams have higher acceptance rates than individuals.
Applicants Varies significantly by country; some countries have dozens to hundreds of participants in national preliminaries Estimated 6,000-8,000 students apply nationally (exact figures not published)
Deadline Rolling
Cost to Apply Free $0
US Only No / International Yes
Grades High school students (typically ages 14-20, exact age limits vary by country) High school students only (grades 9-12)
College Impact Extremely positive. Participation in the International Biology Olympiad—especially reaching the international finals—is one of the most prestigious achievements in high school STEM. College admissions... Math competitions like SMT carry MODERATE TO STRONG college admissions weight, particularly for STEM-focused students. Impact includes: (1) DEMONSTRATES MATHEMATICAL PASSION: Shows genuine interest be...