Very Good
#2157 of 9,533 schools in CA
Top 23% in state
Chaparral Middle
Middle School · Walnut Valley Unified
1405 South Spruce Tree Dr., Diamond Bar, CA 91765
Enrollment
1,204
Student-Teacher
26.8:1
Score
7.6
Grades
6th – 8th
Enrollment
1,204
Student-Teacher
26.8:1
Score
7.6
Grades
6th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Diamond Bar
#3 of 10
public schools
California middle schools
#257 of 1,349
In district
#2 of 15
Walnut Valley Unified
Equity
9.8 / 10
Exceptional
About Chaparral Middle
Chaparral Middle serves 1,204 students in grades 6-8 in Diamond Bar, California, and stands out as one of the top-performing middle schools in the state. With a ranking of #983 out of 9,566 California schools, placing it in the 90th percentile, the school demonstrates exceptional academic achievement with 82% of students proficient or above in English Language Arts and 79% proficient or above in mathematics. The school operates with 45 full-time equivalent teachers, creating a student-teacher ratio of 26.8:1.
This staffing structure supports a learning environment where students consistently exceed state academic expectations, earning Chaparral Middle an impressive 8.2 out of 10 rating from MySchoolScout and a 9.7 out of 10 academic score. Located in the affluent Diamond Bar community, the school serves families in an area where the median household income reaches $105,712 and 52% of residents hold bachelor's degrees or higher. The neighborhood's low poverty rate of 9.7% reflects the economic stability that often correlates with strong educational outcomes.
Chaparral Middle sits in a large suburban setting where family investment in education is evident, creating an environment where middle school students can thrive academically as they prepare for high school.
What Parents Should Know
The student-teacher ratio at Chaparral Middle is 26.8:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Chaparral Middle — Students at Chaparral Middle score 81% proficient, which is above what's typical for similar communities (expected: 61%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
24.9%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 10 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.1/10.
How Chaparral Middle Compares
See how Chaparral Middle performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 77% (2019) to 79.31% (2024). Reading/ELA proficiency has improved from 77% (2019) to 82.44% (2024).
Location
1405 South Spruce Tree Dr., Diamond Bar, CA 91765
Nearby Alternatives
Families considering Chaparral Middle may also want to explore other middle schools in the area. South Pointe Middle (rated 7.3/10, 1.8 miles away, in nearby Walnut), with a very similar rating. Additionally, Lorbeer Middle (rated 5.8/10, 1.6 miles away), a more accessible option. For more schools in Diamond Bar, see our Diamond Bar schools guide .
Nearby Schools
20 within 2.1 mi| School | Distance | Rating |
|---|---|---|
| Maple Hill Elementary Diamond Bar | 0.4 mi | 7.2 |
| Quail Summit Elementary Diamond Bar | 0.4 mi | 7.7 |
| ST CHRISTOPHER-JOSEPH-AQUINAS ACADEMIC ACADEMY Diamond Bar | 1.1 mi | 5.2 |
| Institute of Knowledge Diamond Bar | 1.2 mi | — |
| Mt Calvary Lutheran Diamond Bar | 1.5 mi | — |
| Evergreen Elementary Diamond Bar | 1.4 mi | 7.4 |
| MT CALVARY LUTHERAN SCHOOL Diamond Bar | 1.5 mi | 6.2 |
| Diamond Bar High Diamond Bar | 1.5 mi | 7.3 |
| Lorbeer Middle Diamond Bar | 1.6 mi | 5.8 |
| LiMai Montessori Academy Diamond Bar | 1.6 mi | — |
| VILLAGE MONTESSORI ACADEMY Diamond Bar | 1.7 mi | — |
| VILLAGE MONTESSORI ACADEMY Diamond Bar | 1.7 mi | — |
| Armstrong Elementary Diamond Bar | 1.8 mi | 6.2 |
| Prestige STEM Academy Diamond Bar | 1.7 mi | — |
| DISCOVERY WORLD MONTESSORI Walnut | 1.7 mi | — |
| GUIDE ACADEMY Diamond Bar | 1.8 mi | 5.9 |
| DIAMOND BAR MONTESSORI ACADEMY Diamond Bar | 2.0 mi | 5.3 |
| South Pointe Middle Walnut | 1.8 mi | 7.3 |
| Pantera Elementary Diamond Bar | 1.9 mi | 8.8 |
| Castle Rock Elementary Diamond Bar | 2.1 mi | 6.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 91765 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$104,737
Median Home Value
$878,900
Median Rent
$2,395/mo
Population
44,779
College Educated
53.3%
Homeownership
77.2%
Avg Commute
34 min
Poverty Rate
10.1%
Median Age
45.7
Community Profile
The community surrounding Chaparral Middle has a median household income of $104,737. It is a well-educated community where 53% of adults hold a bachelor's degree or higher. The median home value in the area is $878,900, with a median rent of $2,395/month. The area has a poverty rate of 10.1%. The average commute for residents is 34 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Creekside Middle Castro Valley, CA | 7.6 |
| Day Creek Intermediate Etiwanda, CA | 7.6 |
| Marsh (Harry M.) Junior High Chico, CA | 7.6 |
| Melva Davis Academy of Excellence Victorville, CA | 7.6 |
| Olive Vista Middle Sylmar, CA | 7.6 |
| Ridgecrest Intermediate Rancho Palos Verdes, CA | 7.6 |
Frequently Asked Questions
Common questions about Chaparral Middle
What grades does Chaparral Middle serve?
Chaparral Middle serves students in grades 6th through 8th.
How many students attend Chaparral Middle?
Chaparral Middle has an enrollment of approximately 1,204 students.
What is the student-teacher ratio at Chaparral Middle?
The student-teacher ratio at Chaparral Middle is 26.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Chaparral Middle rank in CA?
Chaparral Middle is ranked #2157 out of 9,533 schools in CA.
What is Chaparral Middle's MySchoolScout rating?
Chaparral Middle has a composite rating of 7.6 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Chaparral Middle?
Based on the most recent state assessment data, Chaparral Middle has 78.8% math proficiency and 81.3% reading/ELA proficiency.
Is Chaparral Middle a charter school?
No, Chaparral Middle is not a charter school. It is a traditional public school operated by the local school district.
Is Chaparral Middle a Title I school?
No, Chaparral Middle is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Chaparral Middle?
24.9% of students at Chaparral Middle qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 8th
- Enrollment
- 1,204
- Student-Teacher Ratio
- 26.8:1
- Teachers (FTE)
- 45
- Free/Reduced Lunch
- 24.9%
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Phone
- (909) 861-6227
- Data Year
- 2023–2024
Resources & Links
District
Walnut Valley Unified- District Enrollment
- 13,815
- Schools in District
- 15
- Per-Pupil Spending
- $13,971
- District Rank
- #2 of 15
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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