SchoolRow
#937

Granite Hills High

Porterville, CA · Porterville Unified · Magnet · Grades 9-12

937th of 1,528 California high schools statewide · better than 39%· Stable

1,168
Students
2023–24 enrollment
21.2:1
Student / teacher ratio
96%
Free / reduced-price lunch
low-income indicator
22.4%
Chronically absent
CA average 20%

Granite Hills High ranking

SchoolRow ranks Granite Hills High 937th of 1,528 California high schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 39% of high schools statewide. Its statewide percentile went from 43th in 2015 to 39th in 2025.

Statewide percentile by year
25%50%75%39%201520202025no testing 2020–21

Granite Hills High test scores

Percent meeting or exceeding the state standard, CAASPP 2024–25 · 327 students tested

English Language Arts
This school
43%
CA average
49%
Math
This school
19%
CA average
37%
Science
This school
23%
CA average
33%
English Language Arts over time this school CA average
25%50%75%43%49%201520202025no testing 2020–21
Math over time this school CA average
25%50%75%19%37%201520202025no testing 2020–21

Granite Hills High students

Racial and ethnic breakdown of 1,168 students (202324, NCES) — and how it has shifted since 2013

Hispanic91%6%
Hover the pie for details
Hispanic 91%84%11%20132023
GroupTrend20132023Change
Hispanic83.8%90.5% 6.7 pts
White10.8%5.8% 5.0 pts
American Indian1.2%0.9% 0.3 pts
Asian2.1%0.8% 1.3 pts
Two or more races0.7%0.8% 0.1 pts
Pacific Islander0.6%0.6% 0.0 pts
Black0.9%0.5% 0.4 pts

Homes near Granite Hills High

Typical home value $331K in zip 93257 as of 2026-05 · trend since 2000

$87K$173K$260K$347K$330K200020052010201520202025

Data Provided by Zillow Group

See recently sold homes in 93257 on Zillow →

High schools near Granite Hills High

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

View on the map →

Frequently asked questions

What school district is Granite Hills High in?

Granite Hills High is part of the Porterville Unified district in Porterville, California.

Is Granite Hills High a good school?

SchoolRow ranks Granite Hills High 937th of 1,528 California high schools (better than 39% statewide) based on 2024–25 test results (CAASPP 2024–25).

What is the racial makeup of Granite Hills High?

Hispanic 91%, White 6% (1,168 students, 2023–24).

How much do homes near Granite Hills High cost?

The typical home value in zip code 93257 is $331K 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.