Canadian Mathematical Society Competitions - Sponsors several mathematics competitions for students including Canadian Open Mathematics Challenge (COMC), the Canadian Mathematical Olympiad (CMO), and it coordinates Canada's participation in the Asian Pacific Mathematics Olympiad (APMO).
Flanders Mathematics Olympiad - Promoting the interest of high school students in mathematics and exact sciences, as well as to promote mathematics teaching by providing lots of challenging problems and examples to the teachers.
Mandelbrot Competition - Round by round math contest in the United States for high school students.
Mathematics Contest Centre - Extends an invitation to grade 5 and 6 students to participate in the Fibonacci and Pythagoras contests.
Redwood Empire Mathematics Tournament - Contest for junior and senior high school students held in the spring of every year at Humboldt State University.
Texas Competitive Mathematics - An information source for coaches and students involved with UIL, TMSCA, and other mathematics, science, and computer science competitions in Texas.
