EuclidMathematicsContest is a mathematics competition held by the School of Mathematics of the University of Waterloo in Canada for senior high school students of grade 12 all over the world. It is called "TOEFL in mathematics". The University of Waterloo has the only school of mathematics in Canada and the largest school of mathematics in North America.

In addition to Euclid, there are 1 1 grade Fermat Mathematics Competition and1grade Gloria Mathematics Competition organized by the University of Waterloo, which are collectively called the Waterloo Mathematics Competition.

The School of Mathematics of the University of Waterloo is the first recognized mathematics school in North America and the largest mathematics school in North America, ranking third in the Canadian mathematics department for many years. In addition, the school also has paid internship programs, attracting outstanding students from all over the world.