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PublicMiddleGrades 6–8
1405 South Spruce Tree Dr., Diamond Bar, CA 91765 · (909) 861-6227 · Part of Walnut Valley Unified School District
Diamond Bar’s School Grade B+ better than 72% of California school districts
Students
1,349
Students per teacher
28:1
Free or reduced lunch
25%
Setting
Suburb
Grades
6–8
What stands out about Chaparral Middle
- Larger classes: 28 students per teacher
- Enrollment up 13% since 2020–21
- No state test results published for this school
- Next stop for Diamond Bar kids: 2 high schools
On the path
Where Diamond Bar kids come from and go next. The whole path →
K–58 elementary schoolsDepends on your address
6–8Chaparral MiddleYou are here
9–122 high schoolsDepends on your address
Location
Directions ↗














1405 South Spruce Tree Dr., Diamond Bar
Students
Enrollment by grade
Grade 6478
Grade 7444
Grade 8427
Enrollment over time
1,194’20
1,111’21
1,133’22
1,204’23
1,349’24
Up 13% since 2020–21.
Who goes here
Asian 77%Hispanic 14%White 4%Two or more races 3%Black 1%
As reported to NCES, share of students with a reported race or ethnicity.
Parents talk
Questions and answers about Chaparral Middle from Diamond Bar families.
Other schools in Walnut Valley Unified School District
School facts: U.S. Department of Education (NCES), 2024–2025 school year. Map: © OpenStreetMap contributors.