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CA Regular School High School

Mt. Diablo High

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2450 Grant St., Concord, CA 94520 • Contra Costa County
(925) 682-4030
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Student Enrollment & Staffing Overview

NCES 2024-2025
Total Students
1,397
Teachers (FTE)
70.6
Student-Teacher Ratio
19.8:1
FRPL Eligible
1,118
(80%)
National School Lunch Program (FRPL) Eligibility Total Eligible: 1,118 of 1,397 (80%)
Free Lunch: 974 (69.7%)
Reduced-Price: 144 (10.3%)
Paid / Not Eligible: 279 (20%)

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

0 950 1,900 2020-2021: 1,567 students 1,567 2020-2021 2021-2022: 1,513 students 1,513 -3.4% 2021-2022 2022-2023: 1,498 students 1,498 -1% 2022-2023 2023-2024: 1,477 students 1,477 -1.4% 2023-2024 2024-2025: 1,397 students 1,397 -5.4% 2024-2025

Student Diversity Distribution

Demographic composition of enrolled students across racial & ethnic backgrounds.

NCES 2024-2025
Hispanic / Latino: 1,029 (73.7%) Black or African American: 116 (8.3%) Asian: 106 (7.6%) White: 67 (4.8%) Two or More Races (Multiracial): 62 (4.4%) Native Hawaiian / Pacific Islander: 16 (1.1%)
1,396 Students
Hispanic / Latino 1,029 73.7%
Black or African American 116 8.3%
Asian 106 7.6%
White 67 4.8%
Two or More Races (Multiracial) 62 4.4%
Native Hawaiian / Pacific Islander 16 1.1%

Grade-Level Enrollment Distribution

Distribution of student body across reported grade cohorts.

Total: 1,397 Students
Grade 10: 366 (26.2%) Grade 11: 355 (25.4%) Grade 12: 334 (23.9%) Grade 9: 342 (24.5%)
1,397 Students
Grade 10 366 26.2%
Grade 11 355 25.4%
Grade 12 334 23.9%
Grade 9 342 24.5%

Student Gender Distribution

Reported enrollment counts by gender cohort.

NCES 2024-2025
M
Male Students
733
52.5%
F
Female Students
663
47.5%