Enrollment
291
Oregon · 2024-25 NCES data
Elementary school (grades K-5) · Scio, OR
Federal NCES profile for Centennial Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
The verdict
Centennial Elementary School earns 22/100 on the Resource Investment Index, with class sizes larger than 82% of Oregon schools.
Centennial Elementary School has class sizes larger than 82% of Oregon schools. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Centennial Elementary School ranks #5 of 5 public schools in Scio, OR.
Enrollment
291
Oregon · 2024-25 NCES data
Teachers (FTE)
14.0
Federal CCD staff survey
Students per teacher
20.8:1
vs 17.6:1 Oregon avg
+18% vs state
Free-lunch eligible
38.6%
vs 52.8% Oregon avg
-27% vs state
How Centennial Elementary School compares with Oregon and U.S. medians
Larger classes than state median
20.8:1 - 3.2 above the Oregon state median of 17.6:1, indicating larger average class loads than typical schools in the state.
Centennial Elementary School is a mid-sized elementary school in Scio, Oregon, enrolling 291 students.
Class loads run somewhat heavier than typical: 20.8:1 puts it in the larger third of Oregon schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 38.6% of students eligible for free meals.
With 291 students, its enrollment sits close to the Oregon median campus size.
Its Resource Investment Index trails 94% of the 1,273 Oregon schools with a score on record, one of the lower results on this measure.
Among 133 similarly sized, similarly resourced-need Oregon schools statewide, it ranks #128, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (84% of enrollment) (diversity index 29/100).
Counselor coverage runs a bit thin, about 291 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 41.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Scio Sd 95 spends $4,984 per pupil, 72% below the Oregon average, a leaner-resourced district than most.
Among Scio's elementary schools, it stands alongside Lourdes School (36 students): Centennial Elementary School is larger than that campus by headcount and runs heavier classes (20.8:1 vs 18:1).
Scio Sd 95 also operates Willamette Connections Academy (1,282 students) and Scio High School (227 students) alongside Centennial 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
Centennial Elementary School on the metrics families compare, against Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.8:1 | ▲ 18% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 38.6% | ▼ 27% | 52.8% | 51.7% |
| Enrollment | 291 | top 60% | - | - |
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 83.5% of enrollment.
Simpson diversity index - at 29.1, Centennial Elementary School is less mixed than the Oregon school average of 47.1.
District-wide per-pupil expenditure for Scio Sd 95, which includes Centennial 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 |
|---|---|---|---|
| Willamette Connections Academy | Larger | No free-lunch data | Higher S:T ratio |
| Scio High School | Similar size | Similar economic need | Lower S:T ratio |
| Scio Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Lourdes School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Centennial Elementary School's own figures; each column derives from NCES Common Core of Data.
1 comparable elementary schools (grades K-5) serving the same city.
Matched by enrollment size and by staffing ratio across all of Oregon, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Centennial 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.
Centennial Elementary School has 291 students enrolled. It is an elementary school in Scio, OR.
The student-teacher ratio at Centennial Elementary School is 20.8:1, which is 18% higher than the Oregon average of 17.6:1 and 32% higher than the national average of 15.7:1.
38.6% of students at Centennial Elementary School are eligible for free lunch, compared to the Oregon average of 52.8%.
The largest demographic group at Centennial Elementary School is White at 83.5% of enrollment, in Scio, OR.
Centennial Elementary School has a Resource Investment Index of 22/100 (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).
By Resource Investment Index, Centennial Elementary School ranks #5 of 5 public schools in Scio, OR. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Scio on the city page.
Centennial Elementary School earns 22/100 on the Resource Investment Index, with class sizes larger than 82% of Oregon 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 Centennial Elementary School, Scio Sd 95 also operates Willamette Connections Academy (1,282 students), Scio High School (227 students), and Scio Middle School (162 students). See the Scio Sd 95 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 School, Scio OR.” 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-school-or
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