Enrollment
709
Oregon · 2024-25 NCES data
High school (grades 9-12) · Ontario, OR
Ontario High School
Federal NCES profile for Ontario High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 410927000746
👥 S:T ratio 25
📚 AP courses 10
🌟 Gifted program 70
🎓 Counselors 29
📋 Attendance 1
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ontario High School earns 27/100 on the Resource Investment Index, with class sizes near the Oregon median.
- #8 of 9
- public schools in Ontario · Resource Index
- 27
- Resource Index · Lower
- 18.7:1
- students per teacher
- 709
- students enrolled
Ontario High School has class sizes near the Oregon median. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Ontario High School ranks #8 of 9 public schools in Ontario, OR.
School address
Teachers (FTE)
38.0
Federal CCD staff survey
Students per teacher
18.7:1
vs 17.6:1 Oregon avg
+6% vs state
Student-teacher ratio in context
How Ontario High School compares with Oregon and U.S. medians
What stands out at Ontario High School
Ontario High School is a large high school in Ontario, Oregon, enrolling 709 students.
Class loads run somewhat heavier than typical: 18.7:1 puts it in the larger third of Oregon schools by student-teacher ratio.
Enrollment of 709 puts it in the larger third of Oregon schools by headcount.
Its Resource Investment Index lands in the lower third of 1,273 scored Oregon schools.
Its student body is led by Hispanic or Latino (68%) and White (27%) (diversity index 46/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor availability sits well past the ASCA benchmark, roughly 355 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 39.6% 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 Middle School (471 students) and Alameda Elementary School (355 students) alongside Ontario High 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
How Ontario High School compares
Ontario High 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 | 18.7:1 | ▲ 6% | 17.6:1 | 15.7:1 |
| Enrollment | 709 | top 11% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.7:1
Leaner classes than 21% of US schools, heavier class loads than most.
709
Bigger than 81% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
18.7:1
students per teacher
- 6% above state mean
Top 67% in Oregon - lower ratio than 33% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
39.6%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,496
per pupil, district-wide
- below Oregon avg of $18,086
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 355 students, the combined health-and-guidance staffing load for this school.
Discipline context
62
in-school suspensions + 53 out-of-school
Suspension rate: 8.7 per 100 students. Combined in-school and out-of-school rate: 16.2 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
Hispanic or Latino 68.0%
White 27.4%
Two or More 4.1%
Asian 0.3%
African American 0.1%
American Indian / Alaska Native 0.1%
Largest group: Hispanic or Latino at 68.0% of enrollment.
Student-body diversity index 46.1/100
Simpson diversity index - at 46.1, Ontario High School is about as mixed as the Oregon school average of 47.1.
Programs
AP program Not offered
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Ontario Sd 8c, which includes Ontario High School.
$14,496
Per student
-20%
vs Oregon
Avg $18,086
-13%
vs U.S.
Avg $16,593
Revenue mix
Local 16.6%
State 67.8%
Federal 15.6%
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.
How Ontario High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ontario Middle School | Smaller | No free-lunch data | Higher S:T ratio |
| Alameda Elementary School | Smaller | No free-lunch data | Similar S:T ratio |
| Aiken Elementary School | Smaller | No free-lunch data | Higher 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 High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 471
- Students per teacher
- 22.4:1
- Resource Index
- 38/100
- Enrollment
- 355
- Students per teacher
- 17.8:1
- Resource Index
- 41/100
- Enrollment
- 333
- Students per teacher
- 23.8:1
- Resource Index
- 39/100
- Enrollment
- 302
- Students per teacher
- 12.1:1
- Resource Index
- 46/100
- Enrollment
- 109
- Students per teacher
- 13.6:1
- Resource Index
- 33/100
Similar high schools statewide
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.
Similar enrollment (~709 students)
Similar student-teacher ratio (~18.7:1)
Next steps
Verify locally before acting on Ontario High School's federal record.
- Compare Ontario High School against another school. Compare schools
- Ontario Sd 8c's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Ontario High School
How many students attend Ontario High School?
Ontario High School has 709 students enrolled. It is a high school in Ontario, OR.
What is the student-teacher ratio at Ontario High School?
The student-teacher ratio at Ontario High School is 18.7:1, which is 6% higher than the Oregon average of 17.6:1 and 19% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Ontario High School?
The largest demographic group at Ontario High School is Hispanic or Latino at 68.0% of enrollment, in Ontario, OR.
What is the Resource Investment Index for Ontario High School?
Ontario High School has a Resource Investment Index of 27/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Ontario High School rank among public schools in Ontario?
By Resource Investment Index, Ontario High School ranks #8 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.
Is Ontario High School a good school?
Ontario High School earns 27/100 on the Resource Investment Index, with class sizes near the Oregon 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.
What other schools are in Ontario Sd 8c?
Besides Ontario High School, Ontario Sd 8c also operates Ontario Middle School (471 students), Alameda Elementary School (355 students), and Aiken Elementary School (333 students). See the Ontario Sd 8c district page for the complete list.
Related tools
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.