Elementary school (grades K-5) · Castella, CA
Castle Rock Elementary
Federal NCES profile for Castle Rock Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 25/100.
The verdict
Castle Rock Elementary earns 25/100 on the Resource Investment Index, even as it posts class sizes smaller than 91% of California schools. It is also one of the smallest schools in California.
- 25
- Resource Index · Lower
- 14:1
- small classes for California
- 65.7%
- free-lunch eligible
- 42
- students enrolled
Castle Rock Elementary has class sizes smaller than 91% of California schools. Computed live against every California school reporting to NCES.
School address
NCES ID 060777000739 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+5 students YoY
Castle Rock Elementary grew from 35 students in 2022-23 to 40 in 2023-24 (+14.3%).
Teacher FTE added 3.0 → 5.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+5 students YoY 060777000739 · Castella, CA Elementary · SMALL · TRAD
42 enr · 14:1 · 65.7% lunch · RII 25
Nearest enrollment peer: Aspire Academy Charter (100 students)
Castle Rock Elementary grew from 35 students in 2022-23 to 40 in 2023-24 (+14.3%). Teacher FTE added 3.0 → 5.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
How Castle Rock Elementary compares
Castle Rock Elementary is a growing campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14:1 | ▼ 35% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 65.7% | ▲ 18% | 55.5% | 51.7% |
| Enrollment | 42 | top 95% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators methodology
Student demographics
Largest group: White at 66.7% of enrollment.
Simpson diversity index - at 50.0, Castle Rock Elementary is more mixed than the California school average of 46.0.
Programs
District finance for Castle Rock Union Elementary reports $34,472 per pupil (NCES F-33) - open the district page for the full revenue mix.
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~42 students)
Frequently asked questions about Castle Rock Elementary
How many students attend Castle Rock Elementary?
Castle Rock Elementary has 42 students enrolled. It is an elementary school in Castella, CA. CCD year-over-year: 35 (2022-23) → 40 (2023-24), up 5.
What is the student-teacher ratio at Castle Rock Elementary?
The student-teacher ratio at Castle Rock Elementary is 14:1, which is 35% lower than the California average of 21.5:1 and 11% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Castle Rock Elementary?
65.7% of students at Castle Rock Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Castle Rock Elementary?
The largest demographic group at Castle Rock Elementary is White at 66.7% of enrollment, in Castella, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.0/100.
What is the Resource Investment Index for Castle Rock Elementary?
Castle Rock Elementary has a Resource Investment Index of 25/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
What other schools are in Castle Rock Union Elementary?
None reported; Castle Rock Union Elementary operates only Castle Rock Elementary as a public school district in NCES's records.