It was constructed in 1982-1983 as part of North Mason School District and was replaced in fall of 2015 as a 95,000 square foot building for grades 9-12.

North Mason High School was first constructed in 1982–1983 to house 340 students.

A new 120,000 square foot building at the cost of $30 million was finished in 2015 to house the students at double the size of the old school.

In the 2021-2022 school year, 52.5% of the students at NMHS were male, 47.2% were female, and 0.3% were Gender X.

This Washington (state) school-related article is a stub.