SA
Elementary SchoolsGrades K-5

Castle Rock Elementary

Walnut Valley Unified · Los Angeles County · 2975 Castle Rock Road, Diamond Bar, CA 91765-3420

(909) 598-5006 · www.wvusd.k12.ca.us

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9/10
#679
Rank 679 out of 5,722
Top 12%
English Language Arts9/10 · #838 · 85th percentile
Mathematics9/10 · #618 · 89th percentile
Science9/10 · #569 · 90th percentile

English Language Arts

Math Trend

Science Trend

School Overview

Castle Rock Elementary sits in the heart of Diamond Bar, a suburban community in the eastern San Gabriel Valley known for its strong emphasis on education and tight-knit family culture. With scores that rank especially high in math and science, this school is a natural fit for families who prioritize STEM alongside well-rounded academics. Diamond Bar itself offers a quieter, suburban lifestyle with easy freeway access to both Los Angeles and the Inland Empire, making it a popular choice for families looking for a solid school community without the chaos of the city.

Student Demographics

353 students tested · 2024-25 school year

Ethnicity

Asian
250 (71%)
Hispanic
55 (16%)
Filipino
19 (5%)
Multiple Races
17 (5%)
Other
12 (3%)

Key Indicators

English Learners104 (29%)
Socioeconomically Disadvantaged95 (27%)
Students with Disabilities45 (13%)

Staff & Teachers(2024-25)

684
Enrollment
26.2
Teachers (FTE)
26.1:1
Student-Staff Ratio
1
Administrators (FTE)
16.1
Avg Class Size*(2023-24)

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 Programs5/10 · #3280 · 46th percentile

92 programs within 3 miles. Ranked among Elementary Schools in California.

Nearby Libraries

No programs found