Enrollment
402
Washington · 2024-25 NCES data
Other / mixed grade configuration · Seattle, WA
Federal NCES profile for Thornton Creek Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 69/100.
The verdict
Thornton Creek Elementary School earns 69/100 on the Resource Investment Index, with class sizes smaller than 88% of Washington schools.
Thornton Creek Elementary School has class sizes smaller than 88% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Thornton Creek Elementary School ranks #2 of 37 schools in Seattle, WA.
NCES ID 530771001253 Verify on NCES CCD record →
Enrollment
402
Washington · 2024-25 NCES data
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
12.2:1
vs 17.6:1 Washington avg
-31% vs state
Free-lunch eligible
9.4%
vs 45.0% Washington avg
-79% vs state
How Thornton Creek Elementary School compares with Washington and U.S. medians
Smaller classes than state median
12.2:1 - 5.4 below the Washington state median of 17.6:1, indicating smaller average class loads than typical schools in the state.
Thornton Creek Elementary School is a lower-poverty, mid-sized combined-grade school in Seattle, Washington, enrolling 402 students.
Classes run notably small here: at 12.2:1, Thornton Creek Elementary School is leaner than roughly 88% of Washington schools and 31% under the state's 17.6:1 norm, more adult attention per pupil than most peers.
Comparatively few students face economic hardship here, 9.4% free-meal eligibility runs 79% below the Washington average.
With 402 students, its enrollment sits close to the Washington median campus size.
Its Resource Investment Index outscores 98% of the 2,394 Washington schools with a score on record, a top-tier result on this measure.
Among 246 similarly sized, similarly resourced-need Washington schools statewide, it ranks #1, a top-tier result once campus size and economic need are matched.
Its student body is led by White (59%) and Two or More (13%) (diversity index 61/100).
Attendance holds up well here: only 6.0% of students were chronically absent, below the typical post-pandemic national figure.
Among Seattle's public schools, it stands alongside Summit Public School: Atlas (566 students): Thornton Creek Elementary School is smaller than that campus by headcount and runs leaner classes (12.2:1 vs 18.9:1).
Seattle School District No. 1 also operates Lincoln High School (1,770 students) and Ballard High School (1,697 students) alongside Thornton Creek Elementary School.
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
Thornton Creek Elementary School on the metrics families compare, against Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.2:1 | ▼ 31% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 9.4% | ▼ 79% | 45.0% | 51.7% |
| Enrollment | 402 | top 47% | - | - |
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 59.1% of enrollment.
Simpson diversity index - at 60.7, Thornton Creek Elementary School is more mixed than the Washington school average of 53.3.
District-wide per-pupil expenditure for Seattle School District No. 1, which includes Thornton Creek Elementary School.
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 |
|---|---|---|---|
| Lincoln High School | Larger | Similar economic need | Higher S:T ratio |
| Ballard High School | Larger | Similar economic need | Higher S:T ratio |
| Roosevelt High School | Larger | Similar economic need | Higher S:T ratio |
| Garfield High School | Larger | Higher economic need | Higher S:T ratio |
| West Seattle High School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Thornton Creek Elementary School's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) serving the same city.
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 Thornton Creek Elementary School'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.
Thornton Creek Elementary School has 402 students enrolled. It is an alternative school in Seattle, WA.
The student-teacher ratio at Thornton Creek Elementary School is 12.2:1, which is 31% lower than the Washington average of 17.6:1 and 22% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
9.4% of students at Thornton Creek Elementary School are eligible for free lunch, compared to the Washington average of 45.0%.
The largest demographic group at Thornton Creek Elementary School is White at 59.1% of enrollment, in Seattle, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.7/100.
Thornton Creek Elementary School has a Resource Investment Index of 69/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Thornton Creek Elementary School ranks #2 of 37 schools in Seattle, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Seattle on the city page.
Thornton Creek Elementary School earns 69/100 on the Resource Investment Index, with class sizes smaller than 88% 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 Thornton Creek Elementary School, Seattle School District No. 1 also operates Lincoln High School (1,770 students), Ballard High School (1,697 students), and Roosevelt High School (1,542 students). See the Seattle School District No. 1 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.
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PlainSchools, “Thornton Creek Elementary School, Seattle 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/thornton-creek-elementary-school-wa
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