Hillsdale High
San Mateo, CA · San Mateo Union High
Regular public school · Grades 9-12 · City, midsize
289th of 1,528 California high schools statewide · better than 81%· Stable
3115 Del Monte St., San Mateo, CA 94403
(650) 558-2699Official website ↗NCES ID 063498005923Directory 2023–24
SchoolRow ranks Hillsdale High 289th of 1,528 California high schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 81% of high schools statewide. Its statewide percentile went from 78th in 2015 to 81th in 2025.
Percent meeting or exceeding the state standard, CAASPP 2024–25 · 358 students tested
Racial and ethnic breakdown of 1,581 students (2023–24, NCES) — history since 1987, with comparable seven-category changes from 2010
| Group | Trend | 2010 | 2023 | Change |
|---|---|---|---|---|
| Hispanic | 29.7% | 36.7% | ▲ 7.0 pts | |
| White | 38.4% | 30.6% | ▼ 7.8 pts | |
| Asian | 18.1% | 19.9% | ▲ 1.8 pts | |
| Two or more races | 10.0% | 9.9% | ▼ 0.1 pts | |
| Pacific Islander | 1.7% | 1.3% | ▼ 0.4 pts | |
| Black | 1.9% | 1.1% | ▼ 0.8 pts |
NCES history for this school begins in 1987. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.
Typical home value $1.84M in zip 94403 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than Hillsdale High
- #97Aragon HighSan Mateo Union High · 1.5 mi away97th of 1,528
ELA 82% ▲10 · Math 59% ▲17Compare - –Hillcrest at Youth Services CenterSan Mateo County Office of Education · 1.7 mi awayCompare
- –Gateway CenterSan Mateo County Office of Education · 1.7 mi awayCompare
- –Margaret J. KempSan Mateo County Office of Education · 1.9 mi awayCompare
- #40Carlmont HighSequoia Union High · 2.2 mi away40th of 1,528
ELA 85% ▲13 · Math 72% ▲30Compare - #53Design Tech HighSan Mateo Union High · 2.8 mi away · charter53rd of 1,528
ELA 90% ▲18 · Math 63% ▲21Compare - –The Bridge AcademySan Mateo Union High · 3.2 mi awayCompare
- #338San Mateo HighSan Mateo Union High · 3.2 mi away338th of 1,528
ELA 63% ▼9 · Math 44% ▲2Compare
What school district is Hillsdale High in?
Hillsdale High is part of the San Mateo Union High district in San Mateo, California.
Is Hillsdale High a good school?
SchoolRow ranks Hillsdale High 289th of 1,528 California high schools (better than 81% statewide) based on 2024–25 test results (CAASPP 2024–25).
What is the racial makeup of Hillsdale High?
Hispanic 37%, White 31%, Asian 20%, Two or more races 10% (1,581 students, 2023–24).
How much do homes near Hillsdale High cost?
The typical home value in zip code 94403 is $1.84M as of 2026-05 (Zillow ZHVI).
Sources: state education department data (CAASPP 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.