Dana Hills High School is a high school in Dana Point, California. It is one of the oldest high schools in South Orange County, having opened in 1973. The school's enrollment of nearly 3,000 students is drawn from the nearby communities of Laguna Niguel, Dana Point, Capistrano Beach, and San Juan Capistrano. When Dana Hills was built in 1972-73, the area was an unincorporated area of Orange County.