Enrollment
333
Oregon · 2024-25 NCES data
Elementary school (grades K-5) · Ontario, OR
Federal NCES profile for Aiken Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
The verdict
Aiken Elementary School earns 39/100 on the Resource Investment Index, with class sizes larger than 93% of Oregon schools.
Aiken Elementary School has class sizes larger than 93% of Oregon schools. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Aiken Elementary School ranks #4 of 6 elementary schools in Ontario, OR.
Enrollment
333
Oregon · 2024-25 NCES data
Teachers (FTE)
14.0
Federal CCD staff survey
Students per teacher
23.8:1
vs 17.6:1 Oregon avg
+35% vs state
Free-lunch eligible
98.9%
vs 52.8% Oregon avg
+87% vs state
How Aiken Elementary School compares with Oregon and U.S. medians
Larger classes than state median
23.8:1 - 6.2 above the Oregon state median of 17.6:1, indicating larger average class loads than typical schools in the state.
Aiken Elementary School is a high-poverty, mid-sized elementary school in Ontario, Oregon, enrolling 333 students.
Class loads run heavy: 23.8:1 is larger than about 93% of Oregon schools and 35% above the 17.6:1 state mean, so each teacher carries more students than is typical.
Economic need is high: 98.9% of students qualify for free meals, 87% above the Oregon average, a Title I-weighted population that federal funding formulas prioritise.
With 333 students, its enrollment sits close to the Oregon median campus size.
Its Resource Investment Index sits near the middle of the pack among 1,273 scored Oregon schools.
Against 44 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #9.
Its student body is led by Hispanic or Latino (68%) and White (28%) (diversity index 46/100).
Counselor availability sits well past the ASCA benchmark, roughly 333 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 21.3% of students chronically absent per the 2021-22 civil-rights 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.
Among Ontario's elementary schools, it stands alongside Alameda Elementary School (355 students): Aiken Elementary School is smaller than that campus by headcount and runs heavier classes (23.8:1 vs 17.8:1).
Ontario Sd 8c also operates Ontario High School (709 students) and Ontario Middle School (471 students) alongside Aiken 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
Aiken 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 | 23.8:1 | ▲ 35% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 98.9% | ▲ 87% | 52.8% | 51.7% |
| Enrollment | 333 | top 52% | - | - |
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 67.9% of enrollment.
Simpson diversity index - at 46.1, Aiken Elementary School is about as mixed as the Oregon school average of 47.1.
District-wide per-pupil expenditure for Ontario Sd 8c, which includes Aiken 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 |
|---|---|---|---|
| Ontario High School | Larger | No free-lunch data | Lower S:T ratio |
| Ontario Middle School | Larger | Similar economic need | Similar S:T ratio |
| Alameda Elementary School | Similar size | No free-lunch data | Lower S:T ratio |
| May Roberts Elementary School | Similar size | No free-lunch data | Lower S:T ratio |
| Cairo Elementary School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Aiken Elementary School'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 Oregon, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Aiken 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.
Aiken Elementary School has 333 students enrolled. It is an elementary school in Ontario, OR.
The student-teacher ratio at Aiken Elementary School is 23.8:1, which is 35% higher than the Oregon average of 17.6:1 and 52% higher than the national average of 15.7:1.
98.9% of students at Aiken Elementary School are eligible for free lunch, compared to the Oregon average of 52.8%.
The largest demographic group at Aiken Elementary School is Hispanic or Latino at 67.9% of enrollment, in Ontario, OR.
Aiken Elementary 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, Aiken Elementary School ranks #4 of 6 elementary 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 elementary schools in Ontario on the city page.
Aiken Elementary School earns 39/100 on the Resource Investment Index, with class sizes larger than 93% 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 Aiken Elementary School, Ontario Sd 8c also operates Ontario High School (709 students), Ontario Middle School (471 students), and Alameda Elementary School (355 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, “Aiken Elementary 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/aiken-elementary-school-or
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.