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

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