Moorpark High School is a comprehensive public secondary school located in the Mountain Meadows neighborhood of Moorpark, Ventura County, California, and serves students from grades 9 through 12.

[6] In addition to Moorpark, the school district it includes a portion of Santa Rosa Valley.

[8][9] The campus was originally located at 280 Casey Road (through the end of the 1987–1988 school year before being relocated to its current campus at 4500 Tierra Rejada Road).

"Memorial" was included in the school name as a remembrance of servicemen lost during the First World War.

[9] Moorpark High School has been noted for its performance in Academic Decathlon, winning the national championship four times with the latest in 2009.