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CA Regular School Elementary School

Castle Rock Elementary

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2975 Castle Rock Rd., Diamond Bar, CA 91765 • Los Angeles County
(909) 598-5006
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Student Enrollment & Staffing Overview

NCES 2024-2025
Total Students
684
Teachers (FTE)
26.2
Student-Teacher Ratio
26.1:1
FRPL Eligible
182
(26.6%)
National School Lunch Program (FRPL) Eligibility Total Eligible: 182 of 684 (26.6%)
Free Lunch: 177 (25.9%)
Reduced-Price: 5 (0.7%)
Paid / Not Eligible: 502 (73.4%)

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

0 450 900 2020-2021: 683 students 683 2020-2021 2021-2022: 663 students 663 -2.9% 2021-2022 2022-2023: 646 students 646 -2.6% 2022-2023 2023-2024: 691 students 691 +7% 2023-2024 2024-2025: 684 students 684 -1% 2024-2025

Student Diversity Distribution

Demographic composition of enrolled students across racial & ethnic backgrounds.

NCES 2024-2025
Asian: 480 (70.2%) Hispanic / Latino: 132 (19.3%) Two or More Races (Multiracial): 37 (5.4%) White: 20 (2.9%) Black or African American: 10 (1.5%) Native Hawaiian / Pacific Islander: 4 (0.6%) American Indian / Alaska Native: 1 (0.1%)
684 Students
Asian 480 70.2%
Hispanic / Latino 132 19.3%
Two or More Races (Multiracial) 37 5.4%
White 20 2.9%
Black or African American 10 1.5%
Native Hawaiian / Pacific Islander 4 0.6%
American Indian / Alaska Native 1 0.1%

Grade-Level Enrollment Distribution

Distribution of student body across reported grade cohorts.

Total: 684 Students
Grade 1: 76 (11.1%) Grade 2: 102 (14.9%) Grade 3: 101 (14.8%) Grade 4: 137 (20%) Grade 5: 137 (20%) Kindergarten: 131 (19.2%)
684 Students
Grade 1 76 11.1%
Grade 2 102 14.9%
Grade 3 101 14.8%
Grade 4 137 20%
Grade 5 137 20%
Kindergarten 131 19.2%

Student Gender Distribution

Reported enrollment counts by gender cohort.

NCES 2024-2025
M
Male Students
362
52.9%
F
Female Students
322
47.1%