San Mateo Union High

Located at 650 North Delaware St. in San Mateo, California, the San Mateo Union High School District is an established, open public school district serving the Peninsula region within the greater San Francisco-Oakland-Fremont metropolitan area. Situated in a vibrant midsize city setting, the non-charter district operates eight secondary campuses dedicated to preparing young adults for college, careers, and lifelong learning. The district serves a total enrollment of 8,775 students spanning ninth through twelfth grades, while also offering dedicated adult education programming. Reflecting the rich diversity of the Bay Area, the student population includes vibrant Hispanic, Asian, White, multiracial, Pacific Islander, and African American student communities.

A comprehensive professional staff underpins the district's high academic standards, comprising over 2,100 full-time equivalent team members. This workforce features more than 884 full-time equivalent teachers, nearly 140 instructional aides, and over 1,080 support staff personnel, ensuring that students receive well-rounded academic, social, and logistical support. With a favorable student-to-teacher ratio of approximately ten to one, educators are well-positioned to offer targeted instruction and individual guidance across all four high school grade levels. Families, students, and educational researchers seeking further information about district programs and performance can contact the administrative office at (650) 558-2299 or visit the district website at smuhsd.org.