June & July (Grades 5-8), conducted by Competitive Kids STEM to prepare students to compete globally. Learn more about the 2021 contest at ckstem.org/cmsc.
CKSTEM offers a wide variety of courses including free online preparation courses. You can join these courses directly from learn.ckstem.org. 5x Smarter and AMC Preparation courses are completely free for everyone to join. We are constantly adding more free courses to help all kids across the globe.
October 29th/30th, for all grades interested in high school math. The contest is conducted by the Canadian Mathematical Society. This competition then leads to the Canadian Mathematical Olympiad Qualifying Repêchage (CMOQR) which is a qualifying round for the Canadian Math Olympiad (CMO).