Macdonald High School (also known as Mac) is an English-language public high school in Sainte-Anne-de-Bellevue, Quebec, Canada.

It has about 1,000 students and is administered by the Lester B. Pearson School Board.

It was a model observation and practice school for the newly built Macdonald Campus School for Teachers.

All four teachers and all but four of the 99 initial students were boarders, living at the school.

This Quebec school-related article is a stub.