Mountain Ridge High School is a public high school in Glendale, Arizona, United States, a suburb of Phoenix.

The school opened in fall 1995.

[5] Mountain Ridge is part of the Deer Valley Unified School District.

Athletic Motto- “The Ridge Way” Fall Sports Winter Sports Spring Sports In the 2014–15 school year, Mountain Ridge High School had an enrollment of 2,206 students.

[8] The student population was 75% White, with 12% Hispanic and Latino Americans.