Students take a roughly 75-minute online multiple-choice exam, and top scorers advance to the National Astronomy Competition and later rounds that select the US IOAA team. Only high school US citizens or permanent residents can make the team. The fee is $30, with aid available.
Offered by USAAAO. Competition for high school students in USA. Format: Online. Cost: Paid. Grades 9–12. Deadline: rolling or not yet announced.
Fields: Astronomy, STEM
Info checked October 2026.
No date is posted for the 2026-27 cycle yet. Check the official page for when applications open.
No. It charges tuition or a fee. Check the official page for the amount and whether financial aid is offered.
High school students in grades 9 to 12. It runs online. Age, residency and citizenship rules are on the official page.
More academic competitions for high school students