International Olympiad on Astronomy & Astrophysics

Annual astronomy and astrophysics olympiad for high school students, with theory questions and a practical round of observation and data analysis. Students cannot register directly; each country sends a team of up to five students chosen through its national olympiad program.

Offered by IOAA. Competition for high school students in Worldwide. Format: In-person. Cost: Free. Grades 9–12. Deadline: rolling or not yet announced.

Fields: Astronomy, STEM

Key facts

Who can apply: High school students in grades 9 to 12. It takes place in person in Worldwide.
Cost: Free to take part.
Dates: No date is posted for the 2026-27 cycle yet. Check the official page for when applications open.

Info checked October 2026.

Questions about International Olympiad on Astronomy & Astrophysics

When is the International Olympiad on Astronomy & Astrophysics deadline?

No date is posted for the 2026-27 cycle yet. Check the official page for when applications open.

Is International Olympiad on Astronomy & Astrophysics free?

Yes. International Olympiad on Astronomy & Astrophysics is free to take part in.

Who can apply to International Olympiad on Astronomy & Astrophysics?

High school students in grades 9 to 12. It takes place in person in Worldwide. Age, residency and citizenship rules are on the official page.

Official program page

More academic competitions for high school students