Enrollment
733
Washington · 2024-25 NCES data
2024-25 NCES data Other / mixed grade configuration NCES 530099000171
Castle Rock Elementary — Castle Rock, WA
Federal NCES profile for Castle Rock Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 31/100.
👥 Class size 28
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 67
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Castle Rock School District · Washington
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
39.0
Federal CCD staff survey
Students per teacher
18:1
vs 17.8:1 Washington avg
+1% vs state
Free-lunch eligible
53.1%
vs 45.0% Washington avg
+18% vs state
Student-teacher ratio in context
How Castle Rock Elementary compares with Washington and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Castle Rock Elementary reports 733 enrolled students to the National Center for Education Statistics (NCES) alongside 39.0 full-time-equivalent teachers, producing a 18:1 student-teacher ratio. That figure sits 1% above the Washington state mean of 17.8:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 13% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 53.1% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 18% above the Washington average and 3% above the national baseline. Counselor coverage works out to roughly 740 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 13.4% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Castle Rock School District spends $16,180 per pupil district-wide, below the Washington average of $23,175 and below the national average of $19,490. Revenue comes 14.9% from local sources (property taxes), 75.5% from the state, and 9.6% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 31/100 (F), calculated from 4 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Castle Rock Elementary compares
Cross-validating school-level NCES values against Washington state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18:1 | ▲ 1% | 17.8:1 | 15.9:1 |
| Free-lunch eligible | 53.1% | ▲ 18% | 45.0% | 51.8% |
| Enrollment | 733 | top 87% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
53.1%
free-lunch eligible
— 18% above the Washington average of 45.0%
Above the 40% Title I schoolwide threshold — federal funds support the whole school, not individual students.
Staffing depth
18:1
students per teacher
— 1% above state mean
Top 67% in Washington — lower ratio than 33% of state schools
Between 15:1 and 20:1 — in line with the typical U.S. public-school staffing range.
Engagement
13.4%
chronically absent (missed 10%+ of school days)
Between 10–20% — above the pre-pandemic baseline of ~15% nationally but within the current U.S. range.
Funding equity
$16,180
per pupil, district-wide
— below Washington avg of $23,175
Below the U.S. average per-pupil spend — funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 740 students — the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 8 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.1 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 733 Top 87% in Washington — larger than 13% of 2,465 state schools
Teachers (FTE) 39.0
Students per teacher 18:1 +1% vs state
Free-lunch eligible 53.1% +18% vs state
NCES ID 530099000171
Student demographics
White 84.6%
Hispanic or Latino 10.9%
Two or More 3.0%
American Indian / Alaska Native 0.5%
African American 0.4%
Asian 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 84.6% of enrollment.
Programs & staff
Counselors (FTE) 1.0
Students per counselor 740:1
Discipline & special education
Chronically absent 13.4%
In-school suspensions 0
Out-of-school suspensions 8
Funding & spending
District-wide per-pupil expenditure for Castle Rock School District, which includes Castle Rock Elementary.
$16,180
Per student
-30%
vs Washington
Avg $23,175
-17%
vs U.S.
Avg $19,490
Revenue mix
Local 14.9%
State 75.5%
Federal 9.6%
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.
Other Schools in This District
- Enrollment
- 422
- Students per teacher
- 18:1
- Enrollment
- 316
- Students per teacher
- 17.4:1
- Enrollment
- 13
- Students per teacher
- —
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Castle Rock Elementary
How many students attend Castle Rock Elementary?
Castle Rock Elementary has 733 students enrolled. It is a other school in CASTLE ROCK, WA.
What is the student-teacher ratio at Castle Rock Elementary?
The student-teacher ratio at Castle Rock Elementary is 18:1, which is 1% higher than the Washington average of 17.8:1 and 13% higher than the national average of 15.9:1.
What percentage of students receive free lunch at Castle Rock Elementary?
53.1% of students at Castle Rock Elementary are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Castle Rock Elementary?
The largest demographic group at Castle Rock Elementary is White at 84.6%. The school serves a diverse student body in CASTLE ROCK, WA.
What is the Resource Investment Index for Castle Rock Elementary?
Castle Rock Elementary has a Resource Investment Index of 31/100 (F) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.