Diamond Bar High
Public
High Grades 9–12 Virtual
Part of Walnut Valley Unified
21400 Pathfinder Rd., Diamond Bar, CA 91765 · (909) 594-1405
Community ratings
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Academic performance
Math proficiency77%
State average 33.6%
Reading / language arts79%
State average 48.6%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
2,563Students enrolled
26:1Student–teacher ratio
23%Free / reduced lunch
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Grade 9646
Grade 10626
Grade 11644
Grade 12647
Students
Asian · 72%1,843
Hispanic · 17%440
White · 5%128
Two or more races · 4%105
Black · 1%36
Native Hawaiian/Pacific Islander · 0%11
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
2,544’20
2,534’21
2,557’22
2,532’23
2,563’24
Location
21400 Pathfinder Rd. Diamond Bar
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.