A free online proof-based math contest from the Art of Problem Solving Initiative for U.S. middle and high school students. The year has three rounds, each with five problems (one puzzle and four proof problems) that students work on at home for about a month and submit as fully justified written solutions. Every solution receives written feedback, and the top 45% of students receive prizes after the final round.
Offered by Art of Problem Solving Initiative. Competition for high school students in USA. Format: Online. Cost: Free. Grades 9–12. Deadline: 2026-11-30.
Fields: Math
Info checked October 2026.
The deadline is November 30, 2026.
Yes. USA Mathematical Talent Search (USAMTS) is free to take part in.
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