International Astronomy and Astrophysics Olympiad (IAAO)
Catalog organization: International Astronomy and Astrophysics Olympiad
Compiled by: ExtracurricularHub Editorial Team — editorial policy
Last updated
Last checked Aug 22, 2026
What Is International Astronomy and Astrophysics?
International Astronomy and Astrophysics Olympiad (IAAO) is a STEM opportunity listed on ExtracurricularHub. Eligibility: Grades 9–12. Format: Hybrid.
International Astronomy and Astrophysics Key Facts: Cost, Deadline, and Eligibility
| Cost | The 2026 U.S. first round cost $30 per student or $20 each for school groups of five or more, with financial aid; selected Team USA registration and transportation have donor funding. |
|---|---|
| Format | Hybrid |
| Eligibility | Grades 9–12 |
| Application deadline | Dates not announced — last checked August 22, 2026 |
| Listing last updated | August 30, 2026 |
Program details shown here reflect the current catalog record.
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How to Apply to International Astronomy and Astrophysics
Open the application for International Astronomy and Astrophysics Olympiad (IAAO)
