Enrollment
536
Washington · 2024-25 NCES data
Middle school (grades 6-8) · Spokane, WA
Federal NCES profile for Centennial Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
The verdict
Centennial Middle School earns 39/100 on the Resource Investment Index, with class sizes near the Washington median.
Centennial Middle School has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Centennial Middle School ranks #12 of 17 public schools in Spokane, WA.
NCES ID 530969001645 Verify on NCES CCD record →
Enrollment
536
Washington · 2024-25 NCES data
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
18.5:1
vs 17.6:1 Washington avg
+5% vs state
Free-lunch eligible
48.0%
vs 45.0% Washington avg
+7% vs state
How Centennial Middle School compares with Washington and U.S. medians
Slightly above state median
18.5:1 - 0.9 above the Washington state median of 17.6:1, indicating larger average class loads than typical schools in the state.
Centennial Middle School is a mid-sized middle school in Spokane, Washington, enrolling 536 students.
Class loads run somewhat heavier than typical: 18.5:1 puts it in the larger third of Washington schools by student-teacher ratio.
Its free-meal eligibility rate of 48.0% lands close to the Washington typical range, neither a high- nor low-need campus by this measure.
Enrollment of 536 puts it in the larger third of Washington schools by headcount.
Its Resource Investment Index lands in the lower third of 2,394 scored Washington schools.
Among 500 similarly sized, similarly resourced-need Washington schools statewide, it ranks #362, in the lower tier once campus size and economic need are matched.
Its student body is led by White (73%) and Hispanic or Latino (13%) (diversity index 44/100).
Counselor coverage runs a bit thin, about 268 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 34.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding West Valley School District (Spokane) spends $14,803 per pupil, 24% below the Washington average, a leaner-resourced district than most.
Among Spokane's middle schools, it stands alongside Sacajawea Middle School (855 students): Centennial Middle School is smaller than that campus by headcount and runs leaner classes (18.5:1 vs 19.9:1).
West Valley School District (Spokane) also operates West Valley High School (836 students) and Pasadena Park Elementary (362 students) alongside Centennial Middle 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
Centennial Middle 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 | 18.5:1 | ▲ 5% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 48.0% | ▲ 7% | 45.0% | 51.7% |
| Enrollment | 536 | top 26% | - | - |
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 73.3% of enrollment.
Simpson diversity index - at 43.9, Centennial Middle School is less mixed than the Washington school average of 53.3.
District-wide per-pupil expenditure for West Valley School District (Spokane), which includes Centennial Middle 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 |
|---|---|---|---|
| West Valley High School | Larger | Lower economic need | Higher S:T ratio |
| Pasadena Park Elementary | Smaller | Lower economic need | Similar S:T ratio |
| Dishman Hills High School | Smaller | Higher economic need | Higher S:T ratio |
| Seth Woodard Elementary | Smaller | Higher economic need | Lower S:T ratio |
| Ness Elementary | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Centennial Middle School's own figures; each column derives from NCES Common Core of Data.
6 comparable middle schools (grades 6-8) 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 Centennial Middle 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.
Centennial Middle School has 536 students enrolled. It is a middle school in Spokane, WA.
The student-teacher ratio at Centennial Middle School is 18.5:1, which is 5% higher than the Washington average of 17.6:1 and 18% higher than the national average of 15.7:1.
48.0% of students at Centennial Middle School are eligible for free lunch, compared to the Washington average of 45.0%.
The largest demographic group at Centennial Middle School is White at 73.3% of enrollment, in Spokane, WA.
Centennial Middle School has a Resource Investment Index of 39/100 (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, Centennial Middle School ranks #12 of 17 public schools in Spokane, 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 Spokane on the city page.
Centennial Middle School earns 39/100 on the Resource Investment Index, with class sizes near the Washington 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.
Besides Centennial Middle School, West Valley School District (Spokane) also operates West Valley High School (836 students), Pasadena Park Elementary (362 students), and Dishman Hills High School (296 students). See the West Valley School District (Spokane) 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, “Centennial Middle School, Spokane 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/centennial-middle-school-wa-2
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