Science Talent Search (STS) vs International Biology Olympiad (IBO)
Comparing two elite STEM opportunities. Science Talent Search (STS) is a competition while International Biology Olympiad (IBO) is a olympiad.
| Science Talent Search (STS) | International Biology Olympiad (IBO) | |
|---|---|---|
| Prestige Tier | Tier 1 — Elite | Tier 1 — Elite |
| Type | Competition | Olympiad |
| Organization | Society for Science | International Biology Olympiad |
| Acceptance Rate | Highly competitive; specific percentage not available | Highly competitive; typically only 4 students per country compete at international level. Exact global acceptance rate unknown but extremely selective |
| Applicants | Thousands of high school students compete through affiliated science fairs nationwide | Varies significantly by country; some countries have dozens to hundreds of participants in national preliminaries |
| Deadline | — | — |
| Cost to Apply | Free | Free |
| US Only | Yes | No / International |
| Grades | High school seniors only | High school students (typically ages 14-20, exact age limits vary by country) |
| College Impact | 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... | 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... |