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Chaparral Middle

1405 South Spruce Tree Dr., Diamond Bar, CA 91765

ASchola Grade
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Grades
6–8
Middle
Students
1,349
Enrolled 2024–25
Students per teacher
28.3 : 1
Full-time teachers
District
Walnut Valley Unified
Los Angeles County

Schola Grade A · Excellent

Letter grade (A–F) · compared with 1,332 California middle schools · How we grade
Test scores76% proficient in math & reading
96thpercentile
Equity67% of low-income students proficient
99thpercentile
Attendance6% chronically absent
99thpercentile
Class size28.3 students per teacher
2ndpercentile

Percentiles compare this school with other California middle schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Chaparral Middle

Chaparral Middle is a public middle school in Diamond Bar, California, serving grades 6–8. It is part of Walnut Valley Unified. The school is located in a large suburb in Los Angeles County.

In the 2024–25 school year, 1,349 students were enrolled, with about 28.3 students for every full-time teacher. That ratio is larger than the typical California middle school (21.0 students per teacher). Its Schola Grade is A (excellent), compared with 1,332 California middle schools.

Grades & enrollment

Students per grade, 2024–25Grades 6–8

Location & nearby schools

1405 South Spruce Tree Dr.
Diamond Bar, CA 91765
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School details

Type
Public School · What this means
Level
Middle
Grades offered
6–8
Enrollment (2024–25)
1,349 students
Students per teacher
28.3 to 1
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Walnut Valley Unified
County
Los Angeles County
NCES school ID
064128006834

Schools near Chaparral Middle

All 13 schools in Diamond Bar →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.