Thousand Oaks High School (TOHS) is a high school in Thousand Oaks, California, United States. Established in 1962, it is part of the Conejo Valley Unified School District. It has a suburban campus with one story buildings, connected by external sidewalks, lawn areas and overhanging roofs. The campus was originally built in the 1960s, however some of the campus has undergone renovation and construction, including the addition of a Performing Arts Center in 1999. As of the 2020–21 school year, the school has an enrollment of 2,042 out of a planned capacity of 2,886; graduating classes typically number between 450 and 500.