Enrollment
471
Oregon · 2024-25 NCES data
Middle school (grades 6-8) · Ontario, OR
Federal NCES profile for Ontario Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Ontario Middle School earns 38/100 on the Resource Investment Index, with class sizes larger than 90% of Oregon schools.
Ontario Middle School has class sizes larger than 90% of Oregon schools. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Ontario Middle School ranks #5 of 9 public schools in Ontario, OR.
Enrollment
471
Oregon · 2024-25 NCES data
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
22.4:1
vs 17.6:1 Oregon avg
+27% vs state
Free-lunch eligible
99.5%
vs 52.8% Oregon avg
+88% vs state
How Ontario Middle School compares with Oregon and U.S. medians
Larger classes than state median
22.4:1 - 4.8 above the Oregon state median of 17.6:1, indicating larger average class loads than typical schools in the state.
Ontario Middle School is a high-poverty, mid-sized middle school in Ontario, Oregon, enrolling 471 students.
Class loads run heavy: 22.4:1 is larger than about 90% of Oregon schools and 27% above the 17.6:1 state mean, so each teacher carries more students than is typical.
Economic need is high: 99.5% of students qualify for free meals, 88% above the Oregon average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 471 puts it in the larger third of Oregon schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,273 scored Oregon schools.
Against 46 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #14.
Its student body is led by Hispanic or Latino (67%) and White (29%) (diversity index 46/100).
Counselor coverage is strong, about 236 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 32.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Ontario Sd 8c spends $14,496 per pupil, 20% below the Oregon average, a leaner-resourced district than most.
Its district draws 15.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Ontario Sd 8c also operates Ontario High School (709 students) and Alameda Elementary School (355 students) alongside Ontario 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
Ontario Middle 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 | 22.4:1 | ▲ 27% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 99.5% | ▲ 88% | 52.8% | 51.7% |
| Enrollment | 471 | 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: Hispanic or Latino at 67.4% of enrollment.
Simpson diversity index - at 46.1, Ontario Middle School is about as mixed as the Oregon school average of 47.1.
District-wide per-pupil expenditure for Ontario Sd 8c, which includes Ontario 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 |
|---|---|---|---|
| Ontario High School | Larger | No free-lunch data | Lower S:T ratio |
| Alameda Elementary School | Similar size | No free-lunch data | Lower S:T ratio |
| Aiken Elementary School | Smaller | Similar economic need | Similar S:T ratio |
| May Roberts Elementary School | Smaller | No free-lunch data | Lower S:T ratio |
| Cairo Elementary School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Ontario Middle School's own figures; each column derives from NCES Common Core of Data.
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 Ontario 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.
Ontario Middle School has 471 students enrolled. It is a middle school in Ontario, OR.
The student-teacher ratio at Ontario Middle School is 22.4:1, which is 27% higher than the Oregon average of 17.6:1 and 43% higher than the national average of 15.7:1.
99.5% of students at Ontario Middle School are eligible for free lunch, compared to the Oregon average of 52.8%.
The largest demographic group at Ontario Middle School is Hispanic or Latino at 67.4% of enrollment, in Ontario, OR.
Ontario Middle School has a Resource Investment Index of 38/100 (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, Ontario Middle School ranks #5 of 9 public schools in Ontario, 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 Ontario on the city page.
Ontario Middle School earns 38/100 on the Resource Investment Index, with class sizes larger than 90% 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 Ontario Middle School, Ontario Sd 8c also operates Ontario High School (709 students), Alameda Elementary School (355 students), and Aiken Elementary School (333 students). See the Ontario Sd 8c 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, “Ontario Middle School, Ontario 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/ontario-middle-school-or
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.