San Dimas High School, one of two comprehensive high schools in the Bonita Unified School District, is nestled in the San Gabriel Foothills of Southern California. San Dimas High School provides an academically challenging educational program resulting in high student achievement. This high level is achieved in part through strong support for education in our community. This web site is part of a continuing effort to make school information available to all stakeholders. Please take this opportunity to explore San Dimas High School and its many fine programs.