Hillsdale High School
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Established in 1955, Hillsdale High School has a long and storied history on the Peninsula. It serves grades 9 through 12 and is one of seven public high schools in the San Mateo Union High School District.
3115 Del Monte St, San Mateo, CA 94403
- Fax: 650-574-4173
- Hours: School hours, Monday-Friday
- Accessible: yes