SA
High SchoolsGrades 9-12

Diamond Bar High

Walnut Valley Unified · Los Angeles County · 21400 Pathfinder Road, Diamond Bar, CA 91765-2747

(909) 594-1405 · www.wvusd.k12.ca.us

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10/10
#77
Rank 77 out of 1,227
Top 6%
English Language Arts10/10 · #118 · 90th percentile
Mathematics10/10 · #46 · 96th percentile
Science10/10 · #128 · 90th percentile

English Language Arts

Math Trend

Science Trend

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School Overview

Diamond Bar High sits in one of the San Gabriel Valley's most academically driven communities, where families often relocate specifically for the schools — and this one delivers. Math scores in particular are exceptional, reflecting a student body with serious STEM ambitions and a school culture that takes college prep seriously. Diamond Bar itself is a quiet, suburban enclave tucked into the hills east of LA, offering a slower pace than the city while still keeping you connected to everything — a solid fit for families who want strong academics without sacrificing that neighborhood feel.

Student Demographics

620 students tested · 2024-25 school year

Ethnicity

Asian
411 (66%)
Hispanic
106 (17%)
Filipino
37 (6%)
White
29 (5%)
Multiple Races
22 (4%)
African American
15 (2%)
Other
3 (0%)

Key Indicators

English Learners65 (10%)
Socioeconomically Disadvantaged153 (25%)
Students with Disabilities38 (6%)

Staff & Teachers(2024-25)

2,563
Enrollment
98.5
Teachers (FTE)
26:1
Student-Staff Ratio
4
Administrators (FTE)
24.1
Avg Class Size*(2023-24)

Graduation Rate

97.3%of students graduate within 4 years

Graduation Rate Trend

College Readiness

Advanced Placement (AP) and International Baccalaureate (IB) programs offer college-level coursework and are a key indicator of academic rigor.

26
AP Courses
offered
46.4%
AP Participation
of students
1,187
AP Enrollment
students
IB Program66 students enrolled

Source: Civil Rights Data Collection (CRDC) 2021-22

Athletics

Brahmas · CIF Southern Section

24
varsity sports
9 boys
10 girls
BadmintonBaseballBasketball (Boys)Basketball (Girls)Cross Country (Boys)Cross Country (Girls)Football (11 person)Golf (Boys)

Source: CIF Home Campus 2025-26

Community Enrichment Programs

This supplementary score measures the availability of enrichment programs — such as tutoring, music, dance, sports, and arts — within 3 miles of the school. Schools in communities with more diverse and accessible programs score higher.

Nearby Programs6/10 · #925 · 58th percentile

117 programs within 3 miles. Ranked among High Schools in California.

Nearby Libraries

No programs found