Enrollment
491
Washington · 2024-25 NCES data
Elementary school (grades K-5) · Carnation, WA
Federal NCES profile for Stillwater Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
The verdict
Stillwater Elementary earns 43/100 on the Resource Investment Index, with class sizes larger than 71% of Washington schools.
Stillwater Elementary has class sizes larger than 71% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Stillwater Elementary ranks #5 of 6 public schools in Carnation, WA.
NCES ID 530456002258 Verify on NCES CCD record →
Enrollment
491
Washington · 2024-25 NCES data
Teachers (FTE)
26.0
Federal CCD staff survey
Students per teacher
18.9:1
vs 17.6:1 Washington avg
+7% vs state
Free-lunch eligible
14.7%
vs 45.0% Washington avg
-67% vs state
How Stillwater Elementary compares with Washington and U.S. medians
Slightly above state median
18.9:1 - 1.3 above the Washington state median of 17.6:1, indicating larger average class loads than typical schools in the state.
Stillwater Elementary is a lower-poverty, mid-sized elementary school in Carnation, Washington, enrolling 491 students.
Class loads run somewhat heavier than typical: 18.9:1 puts it in the larger third of Washington schools by student-teacher ratio.
Comparatively few students face economic hardship here, 14.7% free-meal eligibility runs 67% below the Washington average.
Enrollment of 491 puts it in the larger third of Washington schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,394 scored Washington schools.
Among 373 similarly sized, similarly resourced-need Washington schools statewide, it ranks #272, in the lower tier once campus size and economic need are matched.
Its student body is led by White (65%) and Hispanic or Latino (17%) (diversity index 53/100).
Counselor access is stretched at roughly 501 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 8.6% of students were chronically absent, below the typical post-pandemic national figure.
Riverview School District also operates Cedarcrest High School (889 students) and Tolt Middle School (633 students) alongside Stillwater 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
Stillwater 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 | 18.9:1 | ▲ 7% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 14.7% | ▼ 67% | 45.0% | 51.7% |
| Enrollment | 491 | top 33% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 65.4% of enrollment.
Simpson diversity index - at 52.9, Stillwater Elementary is about as mixed as the Washington school average of 53.3.
District-wide per-pupil expenditure for Riverview School District, which includes Stillwater Elementary.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Cedarcrest High School | Larger | Similar economic need | Similar S:T ratio |
| Tolt Middle School | Larger | Similar economic need | Similar S:T ratio |
| Cherry Valley Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Carnation Elementary School | Similar size | Similar economic need | Lower S:T ratio |
| Parade | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Stillwater Elementary's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Stillwater Elementary's federal record.
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.
Stillwater Elementary has 491 students enrolled. It is an elementary school in Carnation, WA.
The student-teacher ratio at Stillwater Elementary is 18.9:1, which is 7% higher than the Washington average of 17.6:1 and 20% higher than the national average of 15.7:1.
14.7% of students at Stillwater Elementary are eligible for free lunch, compared to the Washington average of 45.0%.
The largest demographic group at Stillwater Elementary is White at 65.4% of enrollment, in Carnation, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.9/100.
Stillwater Elementary has a Resource Investment Index of 43/100 (typical 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).
By Resource Investment Index, Stillwater Elementary ranks #5 of 6 public schools in Carnation, 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 Carnation on the city page.
Stillwater Elementary earns 43/100 on the Resource Investment Index, with class sizes larger than 71% of 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.
Besides Stillwater Elementary, Riverview School District also operates Cedarcrest High School (889 students), Tolt Middle School (633 students), and Cherry Valley Elementary School (445 students). See the Riverview School District district page for the complete list.
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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Stillwater Elementary, Carnation WA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/stillwater-elementary-wa
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.