Abbott Middle
San Mateo, CA
Grades 6 to 8 · 721 students
Public school
Hillsdale High
San Mateo, California · Grades 9 to 12 · San Mateo Union High
Public school
About Hillsdale High
Located in San Mateo, California, Hillsdale High is a public school for grades 9 through 12. Enrollment was 1,585 in the 2024-25 school year. That is about average in size for public and charter high schools in San Mateo. With about 81.9 full-time-equivalent teachers, that works out to roughly 19.4 students per teacher. Within 5 miles there are 92 other schools, so families have nearby options to compare. San Mateo Union High runs 8 schools listed here, including this one. See them all. The surrounding area is classified as a midsize city.
Open Houses & Tours
Hillsdale High hasn't posted any open houses, tours, kindergarten roundups or school choice fairs here yet.
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Parent reviews
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School facts
| Address | 3115 Del Monte St., San Mateo, CA 94403 |
|---|---|
| Phone | (650) 558-2699 |
| School district | San Mateo Union High |
| Grades | 9 to 12 |
| Students (2024-25) | 1,585 |
| Teachers (full-time equivalent, 2024-25) | 81.9 |
| Students per teacher | 19.4 |
| Charter school | No |
| School type | Regular |
| Level | High |
| Locale (NCES) | City, midsize, San Mateo County |
Source: NCES Common Core of Data (CCD), 2024-25 public school directory and membership files (NCES school ID 063498005923). Details may have changed since the survey. Schools can update them by claiming this profile.
Nearby schools
Abbott MiddlePublic · Grades 6 to 8San Mateo · 0.2 miLaurel ElementaryPublic · Grades K to 5San Mateo · 0.5 miBeresford ElementaryPublic · Grades K to 5San Mateo · 0.5 miMeadow Heights ElementaryPublic · Grades K to 5San Mateo · 0.5 miSt Gregory SchoolPrivate, Roman Catholic · Grades K to 8San Mateo · 0.6 miPacific Rim Int'l SchoolPrivate · Grades PreK to 12San Mateo · 0.7 miThe Carey SchoolPrivate · Grades PreK to 5San Mateo · 0.9 miJunipero Serra High SchoolPrivate, Roman Catholic · Grades 9 to 12San Mateo · 0.9 mi
The 8 closest public, charter and private schools by straight-line distance, from NCES location data. Listings here are never paid.
Frequently asked questions
What grades does Hillsdale High serve?
Hillsdale High serves grades 9 through 12.
How many students attend Hillsdale High?
Hillsdale High reported 1,585 students in 2024-25, according to the NCES Common Core of Data.
What is the student-teacher ratio at Hillsdale High?
About 19.4 students per full-time-equivalent teacher, based on 1,585 students and 81.9 teachers in federal data.
Is Hillsdale High a public or charter school?
Hillsdale High is a traditional public (non-charter) school.
What school district is Hillsdale High in?
Hillsdale High is part of San Mateo Union High. See all schools in this district at https://parentschoolreview.com/districts/ca/san-mateo-union-high/
Where is Hillsdale High located?
Hillsdale High is at 3115 Del Monte St., San Mateo, CA 94403. The phone number is (650) 558-2699.
How many other schools are near Hillsdale High?
There are 92 other schools within 5 miles of Hillsdale High in our directory.
Is this your school?
Claim this profile for free to correct details, post open houses and tours, and respond to reviews.
ParentSchoolReview is owned and operated by School Success. Disclosure.
Other public and charter schools in San Mateo
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