AoPS Academy

Art of Problem Solving textbooks have been used by outstanding students since 1993. The AoPS website launched in 2003, and its online community now has over one million users. Many of the winners of each year's International Math Olympiad use the AoPS site as a primary training resource. The AoPS Online school has over 20,000 enrollments annually in courses specifically designed for high-performing math students. Most of the winners of major American national math competitions are AoPS alumni, and thousands of our alumni enroll in top universities each year.