SchoolRow
#1342

Thornton High

Daly City, CA · Jefferson Union High · Grades 9-12

1,342nd of 1,528 California high schools statewide · better than 12%· Stable

116
Students
2023–24 enrollment
23.2:1
Student / teacher ratio
53%
Free / reduced-price lunch
low-income indicator
62.4%
Chronically absent
CA average 20%

Thornton High ranking

SchoolRow ranks Thornton High 1,342nd of 1,528 California high schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 12% of high schools statewide. Its statewide percentile went from 14th in 2015 to 12th in 2025.

Statewide percentile by year
25%50%75%12%201520202025no testing 2020–21

Thornton High test scores

Percent meeting or exceeding the state standard, CAASPP 2024–25 · 47 students tested

English Language Arts
This school
15%
CA average
49%
Math
This school
3%
CA average
37%
Science
This school
9%
CA average
33%
English Language Arts over time this school CA average
25%50%75%15%49%201520202025no testing 2020–21
Math over time this school CA average
25%50%75%3%37%201520202025no testing 2020–21

Thornton High students

Racial and ethnic breakdown of 116 students (202324, NCES) — and how it has shifted since 2013

Hispanic52%6%Asian23%Two+10%
Hover the pie for details
Hispanic 52%Asian 24%Two or more races 10%52%10%10%20%20132023
GroupTrend20132023Change
Hispanic52.4%51.7% 0.7 pts
Asian9.6%23.3% 13.7 pts
Two or more races19.9%10.3% 9.6 pts
White9.6%6.0% 3.6 pts
Black4.8%4.3% 0.5 pts
Pacific Islander3.0%2.6% 0.4 pts
American Indian0.6%0.9% 0.3 pts

Homes near Thornton High

Typical home value $1.01M in zip 94014 as of 2026-05 · trend since 2000

$305K$610K$915K$1.22M$1.02M200020052010201520202025

Data Provided by Zillow Group

See recently sold homes in 94014 on Zillow →

High schools near Thornton High

Closest same-level schools, with 2024–25 state rank

View on the map →

Frequently asked questions

What school district is Thornton High in?

Thornton High is part of the Jefferson Union High district in Daly City, California.

Is Thornton High a good school?

SchoolRow ranks Thornton High 1,342nd of 1,528 California high schools (better than 12% statewide) based on 2024–25 test results (CAASPP 2024–25).

What is the racial makeup of Thornton High?

Hispanic 52%, Asian 23%, Two or more races 10%, White 6% (116 students, 2023–24).

How much do homes near Thornton High cost?

The typical home value in zip code 94014 is $1.01M 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.