Enrollment
540
Washington · 2024-25 NCES data
Elementary school (grades K-5) · Graham, WA
Federal NCES profile for Centennial Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
The verdict
Centennial Elementary earns 44/100 on the Resource Investment Index, with class sizes near the Washington median.
Centennial Elementary has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Centennial Elementary ranks #6 of 6 elementary schools in Graham, WA.
NCES ID 530048002250 Verify on NCES CCD record →
Enrollment
540
Washington · 2024-25 NCES data
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
15.4:1
vs 17.6:1 Washington avg
-13% vs state
Free-lunch eligible
53.3%
vs 45.0% Washington avg
+18% vs state
How Centennial Elementary compares with Washington and U.S. medians
Smaller classes than state median
15.4:1 - 2.2 below the Washington state median of 17.6:1, indicating smaller average class loads than typical schools in the state.
Centennial Elementary is a higher-need, mid-sized elementary school in Graham, Washington, enrolling 540 students.
Class sizes run a bit leaner than typical: 15.4:1 puts it in the smaller third of Washington schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 53.3% of students eligible for free meals.
Enrollment of 540 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.
Against 467 statewide peers matched on enrollment and economic need, it ranks mid-pack at #216.
Its student body is led by White (49%) and Hispanic or Latino (24%) (diversity index 67/100).
Counselor access is stretched at roughly 540 students per counselor, well above the ASCA-recommended 250:1 ceiling.
13.7% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Bethel School District spends $15,195 per pupil, 22% below the Washington average, a leaner-resourced district than most.
Among Graham's elementary schools, it stands alongside Nelson Elementary School (497 students): Centennial Elementary is larger than that campus by headcount and runs heavier classes (15.4:1 vs 11.8:1).
Bethel School District also operates Graham Kapowsin High School (2,087 students) and Spanaway Lake High School (1,787 students) alongside Centennial 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
Centennial 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 | 15.4:1 | ▼ 13% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 53.3% | ▲ 18% | 45.0% | 51.7% |
| Enrollment | 540 | 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 48.7% of enrollment.
Simpson diversity index - at 67.3, Centennial Elementary is more mixed than the Washington school average of 53.3.
District-wide per-pupil expenditure for Bethel School District, which includes Centennial 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 |
|---|---|---|---|
| Graham Kapowsin High School | Larger | Lower economic need | Higher S:T ratio |
| Spanaway Lake High School | Larger | Similar economic need | Higher S:T ratio |
| Bethel High School | Larger | Lower economic need | Higher S:T ratio |
| Liberty Middle School | Larger | Similar economic need | Higher S:T ratio |
| Spanaway Middle School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Centennial Elementary's own figures; each column derives from NCES Common Core of Data.
5 comparable elementary schools (grades K-5) 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 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.
Centennial Elementary has 540 students enrolled. It is an elementary school in Graham, WA.
The student-teacher ratio at Centennial Elementary is 15.4:1, which is 13% lower than the Washington average of 17.6:1 and 2% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
53.3% of students at Centennial Elementary are eligible for free lunch, compared to the Washington average of 45.0%.
The largest demographic group at Centennial Elementary is White at 48.7% of enrollment, in Graham, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.3/100.
Centennial Elementary has a Resource Investment Index of 44/100 (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 Elementary ranks #6 of 6 elementary schools in Graham, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Graham on the city page.
Centennial Elementary earns 44/100 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 Elementary, Bethel School District also operates Graham Kapowsin High School (2,087 students), Spanaway Lake High School (1,787 students), and Bethel High School (1,688 students). See the Bethel 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.
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PlainSchools, “Centennial Elementary, Graham 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-elementary-wa
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