International Olympiad in Informatics (IOI) vs International Biology Olympiad (IBO)
Comparing two elite STEM opportunities. Both are olympiads for high school students.
| International Olympiad in Informatics (IOI) | International Biology Olympiad (IBO) | |
|---|---|---|
| Prestige Tier | Tier 1 — Elite | Tier 1 — Elite |
| Type | Olympiad | Olympiad |
| Organization | International Olympiad in Informatics | International Biology Olympiad |
| Acceptance Rate | — | Highly competitive; typically only 4 students per country compete at international level. Exact global acceptance rate unknown but extremely selective |
| Applicants | — | Varies significantly by country; some countries have dozens to hundreds of participants in national preliminaries |
| Deadline | — | — |
| Cost to Apply | $0 | Free |
| US Only | No / International | No / International |
| Grades | — | High school students (typically ages 14-20, exact age limits vary by country) |
| 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... |