Overview
Castle Rock Elementary is a public primary serving grades 0–5 in Diamond Bar, California. The school enrolls 691 students. It is part of the Walnut Valley Unified district.
Source: NCES CCD (2023)
Strengths & Things to Consider
Indicators pulled from NCES CCD and benchmarked against California state averages. This is not a ranking — different families value different things.
Things to Consider
Higher-than-average student-to-teacher ratio
26.6:1 — larger classes than typical
No official school website listed in our source data
This is a data-completeness gap, not a reflection of the school
Key Facts
SectorPublic
School TypeRegular
LevelPrimary
Grade Span0–5
DistrictWalnut Valley Unified
County6037
CityDiamond Bar
ZIP91765
CharterNo
MagnetNo
Title INo
NCES School ID064128006833
Student Demographics
Total Enrollment691
Race/ethnicity breakdown will appear here once state-level demographic data is ingested. Check back soon.
Source: NCES CCD (2023)
Equity & Title I
In the United States, Free/Reduced Lunch (FRL) eligibility is the primary federal proxy for student poverty. Schools with 40% or more FRL-eligible students typically qualify for Title I school-wide programs.
FRL %28%
State Avg64%
Title INo
Source: NCES CCD (2023)