Claremont High School is a public high school in Claremont, California, United States. Part of the Claremont Unified School District, it is a California Distinguished School, a two-time national Blue Ribbon School of Excellence, and a nationally recognized International Baccalaureate (IB) World School. The school serves Claremont and a small section of Pomona, with a sizable amount of inter-district transfer students.