KVHS (90.5 FM, "90.5 The Edge") is a non-profit high school radio station playing an Active Rock music format. It is licensed to Clayton Valley High School under the jurisdiction of the Mount Diablo Unified School District and broadcasts from the campus of Clayton Valley Charter High School, Concord, California, USA. The signal reaches the counties of Contra Costa, Solano, Napa, San Joaquin, West Sacramento and Yolo, and KVHS primarily serves the Diablo Valley area.