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CA Regular School High School

Diamond Bar High

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21400 Pathfinder Rd., Diamond Bar, CA 91765 • Los Angeles County
(909) 594-1405
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Student Enrollment & Staffing Overview

NCES 2024-2025
Total Students
2,563
Teachers (FTE)
98.6
Student-Teacher Ratio
26.0:1
FRPL Eligible
579
(22.6%)
National School Lunch Program (FRPL) Eligibility Total Eligible: 579 of 2,563 (22.6%)
Free Lunch: 542 (21.1%)
Reduced-Price: 37 (1.4%)
Paid / Not Eligible: 1,984 (77.4%)

Multi-Year Enrollment Trends & Growth (2020-2021 – 2024-2025)

0 1,550 3,100 2020-2021: 2,544 students 2,544 2020-2021 2021-2022: 2,534 students 2,534 -0.4% 2021-2022 2022-2023: 2,557 students 2,557 +0.9% 2022-2023 2023-2024: 2,532 students 2,532 -1% 2023-2024 2024-2025: 2,563 students 2,563 +1.2% 2024-2025

Student Diversity Distribution

Demographic composition of enrolled students across racial & ethnic backgrounds.

NCES 2024-2025
Asian: 1,843 (71.9%) Hispanic / Latino: 440 (17.2%) White: 128 (5%) Two or More Races (Multiracial): 105 (4.1%) Black or African American: 36 (1.4%) Native Hawaiian / Pacific Islander: 11 (0.4%)
2,563 Students
Asian 1,843 71.9%
Hispanic / Latino 440 17.2%
White 128 5%
Two or More Races (Multiracial) 105 4.1%
Black or African American 36 1.4%
Native Hawaiian / Pacific Islander 11 0.4%

Grade-Level Enrollment Distribution

Distribution of student body across reported grade cohorts.

Total: 2,563 Students
Grade 10: 626 (24.4%) Grade 11: 644 (25.1%) Grade 12: 647 (25.2%) Grade 9: 646 (25.2%)
2,563 Students
Grade 10 626 24.4%
Grade 11 644 25.1%
Grade 12 647 25.2%
Grade 9 646 25.2%

Student Gender Distribution

Reported enrollment counts by gender cohort.

NCES 2024-2025
M
Male Students
1,325
51.7%
F
Female Students
1,238
48.3%