Canadian Open Mathematics Challenge (COMC)  

Open to all elementary and secondary school students. Available in English and French. A Canadian Mathematical Society competition. 

Canadian Mathematical Gray Jay Competition (CMGC)  

CMGC is a new Canadian math competition open to students in grades K-8, with questions based primarily on grade 5-8 curriculum. 

CMO Qualifying Repêchage Competition 

The Canadian Mathematical Olympiad Qualifying Repêchage (CMOQR or just Repêchage) is an invitation-only contest that serves as a qualifier for the Canadian Mathematical Olympiad (CMO). 

Canadian Mathematical Olympiad (CMO) 

An advanced competition written by invitation only. A Canadian Mathematical Society competition. 

The Canadian Junior Mathematical Olympiad  

CJMO is an Olympiad style competition for younger students. Like for the CMO, the invitation to the CJMO is based on the results of the COMC and the Repêchage. Invitees will be the top students in grade 10 and below.