University of San Diego High School, high school in San Diego, California
University of San Diego High School is a coeducational high school in San Diego offering a college preparatory curriculum with strong programs in academics, arts, and athletics. The campus features multiple facilities including a chapel, theater, and gymnasium spread across 54 acres with Tuscan-style architecture.
Founded in 1957 as an all-boys school overlooking San Diego Bay, it merged with Cathedral Girls' High School in 1970 to become coeducational. The institution relocated to a new campus in Carmel Valley in 2005 and was renamed Cathedral Catholic High School.
The school's identity is closely tied to its Don mascot and the motto 'Once a Don, always a Don', which reflects strong community bonds among current and former students. This sense of belonging runs through daily life on campus, with alumni frequently returning to support programs and maintain connections.
The school sits on a large campus, so allow time to explore if you plan to visit multiple facilities on the grounds. Access is typically arranged in advance since it remains an active school with regular classes and student activities throughout the day.
The school earned recognition as a Blue Ribbon School in 1998, a national honor recognizing exceptional academic achievement and effective student support. This distinction highlights the educational excellence the institution has pursued since its beginning.
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