Enrollment
315
California · 2024-25 NCES data
Other / mixed grade configuration · Crescent City, CA
Castle Rock
Federal NCES profile for Castle Rock, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
2024-25 NCES dataOther / mixed grade configurationNCES 069106308694Charter school
👥 S:T ratio 21
🌟 Gifted program 70
🎓 Counselors 37
📋 Attendance 74
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Castle Rock earns 50/100 on the Resource Investment Index, with class sizes near the California median.
- #2 of 4
- schools in Crescent City · Resource Index
- 50
- Resource Index · Higher
- 19.7:1
- students per teacher
- 67.2%
- free-lunch eligible
Castle Rock has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Castle Rock ranks #2 of 4 schools in Crescent City, CA.
School address
District: Del Norte County Office of Education · California
NCES ID 069106308694 Verify on NCES CCD record →
Teachers (FTE)
16.0
Federal CCD staff survey
Students per teacher
19.7:1
vs 21.5:1 California avg
-8% vs state
Free-lunch eligible
67.2%
vs 55.5% California avg
+21% vs state
Student-teacher ratio in context
How Castle Rock compares with California and U.S. medians
What stands out at Castle Rock
Castle Rock is a higher-need, mid-sized charter combined-grade school in Crescent City, California, enrolling 315 students.
Class sizes run a bit leaner than typical: 19.7:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 67.2% of students eligible for free meals.
Enrollment of 315 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index outscores 92% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Among 1,280 similarly sized, similarly resourced-need California schools statewide, it ranks #43, a top-tier result once campus size and economic need are matched.
Its student body is led by White (55%) and Hispanic or Latino (22%) (diversity index 62/100).
Counselor coverage runs a bit thin, about 315 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
10.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Del Norte County Office of Education spends $26,132 per pupil, 58% above the California average, a better-resourced district than most.
Its district draws 21.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Crescent City's public schools, it stands alongside Uncharted Shores Academy (283 students): Castle Rock is larger than that campus by headcount and runs leaner classes (19.7:1 vs 21.8:1).
Del Norte County Office of Education also operates Del Norte Community (27 students) and Elk Creek (2 students) alongside Castle Rock.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Castle Rock compares
Castle Rock on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.7:1 | ▼ 8% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 67.2% | ▲ 21% | 55.5% | 51.7% |
| Enrollment | 315 | top 72% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.7:1
Leaner classes than 17% of US schools, heavier class loads than most.
315
Bigger than 34% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
67.2%
free-lunch eligible
- 21% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
19.7:1
students per teacher
- 8% below state mean
Top 33% in California - lower ratio than 67% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
10.5%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$26,132
per pupil, district-wide
- above California avg of $16,509
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 315 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.3 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 55.4%
Hispanic or Latino 22.4%
Two or More 12.5%
American Indian / Alaska Native 7.4%
Asian 1.9%
African American 0.3%
Largest group: White at 55.4% of enrollment.
Student-body diversity index 62.1/100
Simpson diversity index - at 62.1, Castle Rock is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Del Norte County Office of Education, which includes Castle Rock.
$26,132
Per student
+58%
vs California
Avg $16,509
+57%
vs U.S.
Avg $16,593
Revenue mix
Local 13.1%
State 65.1%
Federal 21.8%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Castle Rock Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Del Norte Community | Smaller | Higher economic need | Higher S:T ratio |
| Elk Creek | Smaller | No free-lunch data | No ratio data |
Comparisons are relative to Castle Rock's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 27
- Students per teacher
- 27:1
- Resource Index
- 15/100
- Enrollment
- 2
- Students per teacher
- -
- Resource Index
- 30/100
Similar other schools in Crescent City
3 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~315 students)
Next steps
Verify locally before acting on Castle Rock's federal record.
- Compare Castle Rock against another school. Compare schools
- Del Norte County Office of Education's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Castle Rock
How many students attend Castle Rock?
Castle Rock has 315 students enrolled. It is a public school in Crescent City, CA.
What is the student-teacher ratio at Castle Rock?
The student-teacher ratio at Castle Rock is 19.7:1, which is 8% lower than the California average of 21.5:1 and 25% higher 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?
67.2% of students at Castle Rock are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Castle Rock?
The largest demographic group at Castle Rock is White at 55.4% of enrollment, in Crescent City, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.1/100.
What is the Resource Investment Index for Castle Rock?
Castle Rock has a Resource Investment Index of 50/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Castle Rock rank among schools in Crescent City?
By Resource Investment Index, Castle Rock ranks #2 of 4 schools in Crescent City, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Crescent City on the city page.
Is Castle Rock a good school?
Castle Rock earns 50/100 on the Resource Investment Index, with class sizes near the California median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Del Norte County Office of Education?
Besides Castle Rock, Del Norte County Office of Education also operates Del Norte Community (27 students) and Elk Creek (2 students). See the Del Norte County Office of Education district page for the complete list.
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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.