Chaparral Middle
Diamond Bar, CA · Walnut Valley Unified · Grades 6-8
30th of 1,294 California middle schools statewide · better than 98%▲ Improving
Chaparral Middle ranking
SchoolRow ranks Chaparral Middle 30th of 1,294 California middle schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 98% of middle schools statewide. Its statewide percentile went from 93th in 2015 to 98th in 2025 — improving.
Chaparral Middle test scores
Percent meeting or exceeding the state standard, CAASPP 2024–25 · 1,350 students tested
Chaparral Middle students
Racial and ethnic breakdown of 1,204 students (2023–24, NCES) — and how it has shifted since 2013
| Group | Trend | 2013 | 2023 | Change |
|---|---|---|---|---|
| Asian | 63.0% | 74.6% | ▲ 11.6 pts | |
| Hispanic | 19.1% | 15.9% | ▼ 3.2 pts | |
| White | 12.9% | 4.7% | ▼ 8.2 pts | |
| Two or more races | 1.2% | 3.5% | ▲ 2.3 pts | |
| Black | 3.0% | 1.2% | ▼ 1.8 pts |
Homes near Chaparral Middle
Typical home value $1.03M in zip 91765 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Middle schools near Chaparral Middle
Closest same-level schools, with 2024–25 state rank
- 10South Pointe MiddleWalnut Valley Unified · 1.8 mi away41st of 1,294
ELA 80% · Math 79% - 6Lorbeer MiddlePomona Unified · 2.3 mi away584th of 1,294
ELA 47% · Math 31% - 9Suzanne MiddleWalnut Valley Unified · 2.6 mi away142nd of 1,294
ELA 73% · Math 64% - 10Canyon Hills Junior HighChino Valley Unified · 4 mi away127th of 1,294
ELA 76% · Math 64% - 7Alvarado IntermediateRowland Unified · 4.4 mi away458th of 1,294
ELA 46% · Math 42% - 4Marshall MiddlePomona Unified · 5.2 mi away834th of 1,294
ELA 42% · Math 17% - 4Giano IntermediateRowland Unified · 5.2 mi away841st of 1,294
ELA 36% · Math 23% - 9Robert O. Townsend Junior HighChino Valley Unified · 5.4 mi away168th of 1,294
ELA 70% · Math 62%
Frequently asked questions
What school district is Chaparral Middle in?
Chaparral Middle is part of the Walnut Valley Unified district in Diamond Bar, California.
Is Chaparral Middle a good school?
SchoolRow ranks Chaparral Middle 30th of 1,294 California middle schools (better than 98% statewide) based on 2024–25 test results (CAASPP 2024–25).
What is the racial makeup of Chaparral Middle?
Asian 75%, Hispanic 16%, White 5%, Two or more races 4% (1,204 students, 2023–24).
How much do homes near Chaparral Middle cost?
The typical home value in zip code 91765 is $1.03M 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.