Colony High
Ontario, CA · Chaffey Joint Union High
Regular public school · Grades 9-12 · City, midsize
748th of 1,528 California high schools statewide · better than 51%▼ Declining
3850 East Riverside Dr., Ontario, CA 91761
(909) 930-2929Official website ↗NCES ID 060816010606Directory 2023–24
SchoolRow ranks Colony High 748th of 1,528 California high schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 51% of high schools statewide. Its statewide percentile went from 66th in 2015 to 51th in 2025 — declining.
Percent meeting or exceeding the state standard, CAASPP 2024–25 · 482 students tested
Racial and ethnic breakdown of 2,085 students (2023–24, NCES) — history since 2002, with comparable seven-category changes from 2010
| Group | Trend | 2010 | 2023 | Change |
|---|---|---|---|---|
| Hispanic | 62.7% | 68.3% | ▲ 5.6 pts | |
| Black | 15.6% | 11.4% | ▼ 4.2 pts | |
| Asian | 5.5% | 8.5% | ▲ 3.0 pts | |
| White | 14.6% | 7.2% | ▼ 7.4 pts | |
| Two or more races | 1.1% | 3.1% | ▲ 2.0 pts | |
| Pacific Islander | 0.4% | 1.0% | ▲ 0.6 pts |
NCES history for this school begins in 2002. 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 $689K in zip 91761 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 Colony High
- #947Jurupa Valley HighJurupa Unified · 3.3 mi away947th of 1,528
ELA 46% ▼8 · Math 16% ▼5Compare - #198Eleanor Roosevelt HighCorona-Norco Unified · 4.5 mi away198th of 1,528
ELA 70% ▲16 · Math 54% ▲33Compare - #484Henry J. Kaiser HighFontana Unified · 4.9 mi away484th of 1,528
ELA 54% = · Math 40% ▲19Compare - #1379Valley View High (Continuation)Chaffey Joint Union High · 5.2 mi away1,379th of 1,528
ELA 11% ▼43 · Math 3% ▼18Compare - –Chaffey Community DayChaffey Joint Union High · 5.4 mi awayCompare
- –Chaffey District Online HighChaffey Joint Union High · 5.5 mi awayCompare
- #504Ontario HighChaffey Joint Union High · 5.7 mi away504th of 1,528
ELA 63% ▲9 · Math 30% ▲9Compare - #681Chaffey HighChaffey Joint Union High · 6.3 mi away681st of 1,528
ELA 59% ▲5 · Math 21% =Compare
What school district is Colony High in?
Colony High is part of the Chaffey Joint Union High district in Ontario, California.
Is Colony High a good school?
SchoolRow ranks Colony High 748th of 1,528 California high schools (better than 51% statewide) based on 2024–25 test results (CAASPP 2024–25).
What is the racial makeup of Colony High?
Hispanic 68%, Black 11%, Asian 9%, White 7% (2,085 students, 2023–24).
How much do homes near Colony High cost?
The typical home value in zip code 91761 is $689K 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.