Address

3115 DEL MONTE ST.
SAN MATEO, CA 94403
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Phone Number

650-558-2699

Website

http://hhs.smuhsd.org

Important Links: About the Board Activities Calendar Athletics Calendar Board of Trustees Calendar Calendar Calendar Calendar Calendar Calendar Calendar District/School Calendar of Events Calendar of Events Calendars Counseling Calendar District Calendar Dr. Jen Fong, Principal Job Board Letter from the Principal Our School Calendar Principal's Message Programs Calendar PTSO Board Members School Calendar School Year Calendar

School Type

Public School

Grades Served

09-12

School Level

High

Also Known As

Hillsdale High (Official Name Supplied)

Student and Staff Info

Student Enrollment: 1,273

--Gathered from public sources that schools self report. These may be inaccurate.--

School District

San Mateo Union High

Interactive Map

California Education Info

California Teacher Certification in 2026: What Educators Need to Know

Other Close Schools

Abbott Middle School in San Mateo, CA (0.3 miles)

Laurel Elementary School in San Mateo, CA (0.5 miles)

Meadow Heights Elementary School in San Mateo, CA (0.5 miles)

Beresford Elementary School in San Mateo, CA (0.6 miles)

St Gregory School in San Mateo, CA (0.7 miles)

Related School Info

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Information is generated using publicly accessible school-supplied data and may be inaccurate

Last Updated: 2026-04-21 09:51:33 || School Id: 14006