Diamond Ranch High
Pomona, CA · Pomona Unified
Regular public school · Grades 9-12 · Suburb, large
476th of 1,528 California high schools statewide · better than 69%· Stable
100 Diamond Ranch Dr., Pomona, CA 91766
(909) 397-4715Official website ↗NCES ID 063132007136Directory 2023–24
SchoolRow ranks Diamond Ranch High 476th of 1,528 California high schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 69% of high schools statewide. Its statewide percentile went from 68th in 2015 to 69th in 2025.
Percent meeting or exceeding the state standard, CAASPP 2024–25 · 699 students tested
Racial and ethnic breakdown of 1,567 students (2023–24, NCES) — history since 1997, with comparable seven-category changes from 2010
| Group | Trend | 2010 | 2023 | Change |
|---|---|---|---|---|
| Hispanic | 52.3% | 77.5% | ▲ 25.2 pts | |
| Asian | 19.4% | 10.0% | ▼ 9.4 pts | |
| Black | 10.6% | 5.1% | ▼ 5.5 pts | |
| White | 13.2% | 4.1% | ▼ 9.1 pts | |
| Two or more races | 3.9% | 3.1% | ▼ 0.8 pts |
NCES history for this school begins in 1997. 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 $687K in zip 91766 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 Diamond Ranch High
- #1088Fremont Academy of Engineering and DesignPomona Unified · 1.6 mi away1,088th of 1,528
ELA 36% ▼32 · Math 14% ▼12Compare - #683Garey HighPomona Unified · 1.6 mi away683rd of 1,528
ELA 53% ▼15 · Math 26% =Compare - #1361Park West High (Continuation)Pomona Unified · 2.7 mi away1,361st of 1,528
ELA 10% ▼58 · Math 6% ▼20Compare - #1206Ganesha HighPomona Unified · 3 mi away1,206th of 1,528
ELA 29% ▼39 · Math 10% ▼16Compare - #143Ruben S. Ayala HighChino Valley Unified · 3 mi away143rd of 1,528
ELA 78% ▲10 · Math 55% ▲29Compare - #109International Polytechnic HighLos Angeles County Office of Education · 3.3 mi away109th of 1,528
ELA 88% ▲20 · Math 51% ▲25Compare - –Boys Republic HighChino Valley Unified · 3.4 mi awayCompare
- #563Don Antonio Lugo HighChino Valley Unified · 3.4 mi away563rd of 1,528
ELA 65% ▼3 · Math 23% ▼3Compare
What school district is Diamond Ranch High in?
Diamond Ranch High is part of the Pomona Unified district in Pomona, California.
Is Diamond Ranch High a good school?
SchoolRow ranks Diamond Ranch High 476th of 1,528 California high schools (better than 69% statewide) based on 2024–25 test results (CAASPP 2024–25).
What is the racial makeup of Diamond Ranch High?
Hispanic 78%, Asian 10%, Black 5%, White 4% (1,567 students, 2023–24).
How much do homes near Diamond Ranch High cost?
The typical home value in zip code 91766 is $687K 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.