International Olympiad on Astronomy and Astrophysics (IOAA)
Catalog organization: International Astronomy and Astrophysics Olympiad
Compiled by: ExtracurricularHub Editorial Team — editorial policy
Last updated
What Is International Olympiad on Astronomy?
The International Olympiad on Astronomy and Astrophysics, IOAA, is reached through national selection. USAAAO runs U.S. proctored exams and online training. Anyone may enter the first round; national-team representation requires high-school standing and U.S. citizenship or permanent residency.
The 2026 international event was September 25-October 5 in Hanoi. The next host is Türkiye, without dates here. U.S. 2026 fees were $30 or $20 each for school groups of at least five, with aid. Proctor/calculator rules apply, and official pages print different historical January 31 cutoff clocks. No 2027 U.S. cutoff or fees are announced.
International Olympiad on Astronomy Key Facts: Cost, Deadline, and Eligibility
| Format | In person |
|---|---|
| Application deadline | Dates not announced |
| Listing last updated | August 30, 2026 |
Program details shown here reflect the current catalog record.
Related Searches for International Olympiad on Astronomy
Similar Programs You May Like
Explore these related extracurricular opportunities:
- International Olympiad in Artificial Intelligence (IOAI) — IOAI Foundation
- International Astronomy Olympiad (IAO) Team Member — IAO
- USA Astronomy & Astrophysics Olympiad (USAAAO) — USAAAO
- Baltic Way Mathematical Team Contest — Baltic Way Organising Committee
- U.S. National Chemistry Olympiad to IChO Team USA Pathway — American Chemical Society / U.S. National Chemistry Olympiad
Guides Related to International Olympiad on Astronomy
- How to Build a Spike: Turning One Interest into Stand-Out Activities — Admissions officers look for a spike—clear depth in one interest that shows initiative, impact, and growth. Here's
- Best Extracurriculars for Future Computer Science & AI Majors — Discover the top extracurriculars for aspiring CS and AI majors: coding clubs, hackathons, research programs
- Best Extracurriculars for Future Business, Finance, and Economics Majors — Explore top activities for aspiring business majors: DECA, FBLA, investment clubs, entrepreneurship ventures
How to Apply to International Olympiad on Astronomy
Open the application for International Olympiad on Astronomy and Astrophysics (IOAA)