Charles M. Russell High School (also known as CMR) is a public high school in Great Falls, Montana, in the United States.

It is part of the Great Falls Public Schools system.

The school opened on September 7, 1965, with about 1,400 students.

[4] CMR was opened in 1965 and the Rustlers have won 13 Montana state AA football championships, the most of any school in that time period.

This Montana school-related article is a stub.