SchoolRow
#655

Grossmont High

La Mesa, CA · Grossmont Union High

Regular public school · Grades 9-12 · Suburb, large

655th of 1,528 California high schools statewide · better than 57% Declining

1100 Murray Dr., La Mesa, CA 91944

(619) 668-6000Official website ↗NCES ID 061623002022Directory 202324

2,079
Students
2023–24 enrollment
346.5:1
Student / teacher ratio
64%
Free / reduced-price lunch
low-income indicator
21.4%
Chronically absent
CA average 20%

SchoolRow ranks Grossmont High 655th of 1,528 California high schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 57% of high schools statewide. Its statewide percentile went from 72th in 2015 to 57th in 2025 — declining.

Statewide percentile by year
25%50%75%57%201520202025no testing 2020–21

Percent meeting or exceeding the state standard, CAASPP 2024–25 · 465 students tested

English Language Arts
Grossmont High
56%
CA average
49%
Math
Grossmont High
25%
CA average
37%
Science
Grossmont High
34%
CA average
33%
English Language Arts over time Grossmont High CA average
25%50%75%56%49%201520202025no testing 2020–21
Math over time Grossmont High CA average
25%50%75%25%37%201520202025no testing 2020–21
Science over time Grossmont High CA average
25%50%75%34%33%20222025

Racial and ethnic breakdown of 2,079 students (202324, NCES) — history since 1987, with comparable seven-category changes from 2010

Hispanic45%White34%5%7%9%
Hover the pie for details
categories changedHispanic 45%White 34%Black 7%Two or more races 9%90%19872023
GroupTrend20102023Change
Hispanic30.3%44.5% 14.2 pts
White53.2%33.7% 19.5 pts
Two or more races4.5%8.7% 4.2 pts
Black6.9%7.2% 0.3 pts
Asian4.0%5.1% 1.1 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.

Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than Grossmont High

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What school district is Grossmont High in?

Grossmont High is part of the Grossmont Union High district in La Mesa, California.

Is Grossmont High a good school?

SchoolRow ranks Grossmont High 655th of 1,528 California high schools (better than 57% statewide) based on 2024–25 test results (CAASPP 2024–25).

What is the racial makeup of Grossmont High?

Hispanic 45%, White 34%, Two or more races 9%, Black 7% (2,079 students, 2023–24).

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.