Del Mar High School (DMHS) is a four-year, public secondary school established in 1959 in San Jose, California. It is part of the Campbell Union High School District, (CUHSD), the other schools in which are Branham, Leigh, Prospect, and Westmont. Most of Del Mar’s students come from the Campbell Union School District’s Monroe Middle School. The school serves both San Jose and Campbell, in addition to some unincorporated pockets of Santa Clara County. In 2016, Del Mar became an International Baccalaureate school. The first class who started the diploma, was the class of 2018.