Enrollment
733
Washington · 2024-25 NCES data
Other / mixed grade configuration · Castle Rock, WA
Castle Rock Elementary
Federal NCES profile for Castle Rock Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
2024-25 NCES dataOther / mixed grade configurationNCES 530099000171
👥 S:T ratio 25
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 67
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Castle Rock Elementary earns 30/100 on the Resource Investment Index, with class sizes larger than 71% of Washington schools. It is also less racially and ethnically mixed than most Washington schools.
- #3 of 3
- public schools in Castle Rock · Resource Index
- 30
- Resource Index · Lower
- 18.8:1
- large classes for Washington
- 53.1%
- free-lunch eligible
Castle Rock Elementary has class sizes larger than 71% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Castle Rock Elementary ranks #3 of 3 public schools in Castle Rock, WA.
School address
District: Castle Rock School District · Washington
NCES ID 530099000171 Verify on NCES CCD record →
Teachers (FTE)
39.0
Federal CCD staff survey
Students per teacher
18.8:1
vs 17.6:1 Washington avg
+7% 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
What stands out at Castle Rock Elementary
Castle Rock Elementary is a higher-need, large combined-grade school in Castle Rock, Washington, enrolling 733 students.
Class loads run somewhat heavier than typical: 18.8:1 puts it in the larger third of Washington schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 53.1% of students eligible for free meals.
Enrollment of 733 puts it in the larger third of Washington schools by headcount.
Its Resource Investment Index trails 92% of the 2,394 Washington schools with a score on record, one of the lower results on this measure.
Among 321 similarly sized, similarly resourced-need Washington schools statewide, it ranks #287, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (85% of enrollment), among the less diverse in the state (diversity index 27/100).
Counselor access is stretched at roughly 740 students per counselor, well above the ASCA-recommended 250:1 ceiling.
13.4% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Castle Rock School District spends $14,883 per pupil, 24% below the Washington average, a leaner-resourced district than most.
Among Castle Rock's public schools, it stands alongside Castle Rock Virtual Academy (13 students): Castle Rock Elementary is larger than that campus by headcount.
Castle Rock School District also operates Castle Rock High School (422 students) and Castle Rock Middle School (316 students) alongside Castle Rock Elementary.
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 Elementary compares
Castle Rock Elementary on the metrics families compare, against Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.8:1 | ▲ 7% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 53.1% | ▲ 18% | 45.0% | 51.7% |
| Enrollment | 733 | top 13% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.8:1
Leaner classes than 21% of US schools, heavier class loads than most.
733
Bigger than 82% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
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
18.8:1
students per teacher
- 7% above state mean
Top 71% in Washington - lower ratio than 29% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
13.4%
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
$14,883
per pupil, district-wide
- below Washington avg of $19,487
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Student-support staffing from the Civil Rights Data Collection.
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
- 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 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.
Student-body diversity index 27.1/100
Simpson diversity index - at 27.1, Castle Rock Elementary is less mixed than the Washington school average of 53.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Castle Rock School District, which includes Castle Rock Elementary.
$14,883
Per student
-24%
vs Washington
Avg $19,487
-10%
vs U.S.
Avg $16,593
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.
How Castle Rock Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Castle Rock High School | Smaller | Similar economic need | Lower S:T ratio |
| Castle Rock Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Castle Rock Virtual Academy | Smaller | Lower economic need | No ratio data |
Comparisons are relative to Castle Rock Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 422
- Students per teacher
- 16.9:1
- Resource Index
- 40/100
- Enrollment
- 316
- Students per teacher
- 15.8:1
- Resource Index
- 34/100
- Enrollment
- 13
- Students per teacher
- -
- Resource Index
- 30/100
Similar other schools in Castle Rock
1 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Washington, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~733 students)
Similar student-teacher ratio (~18.8:1)
Next steps
Verify locally before acting on Castle Rock Elementary's federal record.
- Compare Castle Rock Elementary against another school. Compare schools
- Castle Rock School District'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 Elementary
How many students attend Castle Rock Elementary?
Castle Rock Elementary has 733 students enrolled. It is a public school in Castle Rock, WA.
What is the student-teacher ratio at Castle Rock Elementary?
The student-teacher ratio at Castle Rock Elementary is 18.8:1, which is 7% higher than the Washington average of 17.6:1 and 20% higher than the national average of 15.7:1.
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% of enrollment, in Castle Rock, WA.
What is the Resource Investment Index for Castle Rock Elementary?
Castle Rock Elementary has a Resource Investment Index of 30/100 (lower 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 Elementary rank among public schools in Castle Rock?
By Resource Investment Index, Castle Rock Elementary ranks #3 of 3 public schools in Castle Rock, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Castle Rock on the city page.
Is Castle Rock Elementary a good school?
Castle Rock Elementary earns 30/100 on the Resource Investment Index, with class sizes larger than 71% of Washington schools. It is also less racially and ethnically mixed than most Washington schools. 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 Castle Rock School District?
Besides Castle Rock Elementary, Castle Rock School District also operates Castle Rock High School (422 students), Castle Rock Middle School (316 students), and Castle Rock Virtual Academy (13 students). See the Castle Rock School District district page for the complete list.
Related tools
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.