Denis Morris Catholic High School is a Catholic high school located in St. Catharines, Ontario.

Denis Morris provides educational programs and services for students with a variety of learning strengths, needs and abilities.

In the past the Reds have dominated in ice hockey, winning SOSSA for many years in a row, wrestling, having many athletes reaching the OFSAA championship for the past two years, and Canadian football, winning numerous championship in the history of the school.

Denis Morris, the pastor of St. Catherine of Alexandria Church from 1909 until 1935, when he died.

This Ontario school-related article is a stub.