Enrollment
435
Oregon · 2024-25 NCES data
Middle school (grades 6-8) · Portland, OR
Federal NCES profile for Oliver Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 13/100.
The verdict
Oliver Middle earns 13/100 on the Resource Investment Index, with class sizes larger than 88% of Oregon schools. It is also more racially and ethnically mixed than most Oregon schools.
Oliver Middle has class sizes larger than 88% of Oregon schools. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Oliver Middle ranks #24 of 24 middle schools in Portland, OR.
NCES ID 410280011357 Verify on NCES CCD record →
Enrollment
435
Oregon · 2024-25 NCES data
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
21.8:1
vs 17.6:1 Oregon avg
+24% vs state
Free-lunch eligible
68.7%
vs 52.8% Oregon avg
+30% vs state
How Oliver Middle compares with Oregon and U.S. medians
Larger classes than state median
21.8:1 - 4.2 above the Oregon state median of 17.6:1, indicating larger average class loads than typical schools in the state.
Oliver Middle is a higher-need, mid-sized middle school in Portland, Oregon, enrolling 435 students.
Class loads run heavy: 21.8:1 is larger than about 88% of Oregon schools and 24% above the 17.6:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 68.7% of students eligible for free meals.
Enrollment of 435 puts it in the larger third of Oregon schools by headcount.
Its Resource Investment Index trails 99% of the 1,273 Oregon schools with a score on record, one of the lower results on this measure.
Among 318 similarly sized, similarly resourced-need Oregon schools statewide, it ranks #317, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (40%) and White (28%), more mixed than most schools in the state (diversity index 73/100).
Among Portland's middle schools, it stands alongside Stoller Middle School (1,069 students): Oliver Middle is smaller than that campus by headcount and runs leaner classes (21.8:1 vs 25.5:1).
Centennial Sd 28j also operates Centennial High School (1,731 students) and Centennial Middle School (876 students) alongside Oliver Middle.
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
Oliver Middle on the metrics families compare, against Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.8:1 | ▲ 24% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 68.7% | ▲ 30% | 52.8% | 51.7% |
| Enrollment | 435 | top 32% | - | - |
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: Hispanic or Latino at 39.7% of enrollment.
Simpson diversity index - at 73.2, Oliver Middle is more mixed than the Oregon school average of 47.1.
District-wide per-pupil expenditure for Centennial Sd 28j, which includes Oliver Middle.
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 |
|---|---|---|---|
| Centennial High School | Larger | Similar economic need | Higher S:T ratio |
| Centennial Middle School | Larger | Similar economic need | Similar S:T ratio |
| Butler Creek Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Parklane Elementary School | Similar size | Similar economic need | Lower S:T ratio |
| Powell Butte Elementary School | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Oliver Middle'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 Oregon, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Oliver Middle'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.
Oliver Middle has 435 students enrolled. It is a middle school in Portland, OR.
The student-teacher ratio at Oliver Middle is 21.8:1, which is 24% higher than the Oregon average of 17.6:1 and 39% higher than the national average of 15.7:1.
68.7% of students at Oliver Middle are eligible for free lunch, compared to the Oregon average of 52.8%.
The largest demographic group at Oliver Middle is Hispanic or Latino at 39.7% of enrollment, in Portland, OR. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.2/100.
Oliver Middle has a Resource Investment Index of 13/100 (lower reported resources relative to schools nationally) based on 1 factor: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
By Resource Investment Index, Oliver Middle ranks #24 of 24 middle schools in Portland, OR. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Portland on the city page.
Oliver Middle earns 13/100 on the Resource Investment Index, with class sizes larger than 88% of Oregon schools. It is also more racially and ethnically mixed than most 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 Oliver Middle, Centennial Sd 28j also operates Centennial High School (1,731 students), Centennial Middle School (876 students), and Butler Creek Elementary School (509 students). See the Centennial Sd 28j 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, “Oliver Middle, Portland 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/oliver-middle-or
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