- Enrollment
- 471
- Students per teacher
- 22.4:1
- Resource Index
- 38/100
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 31/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 410927000746
👥 S:T ratio 25
🌟 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 31/100 on the Resource Investment Index, with class sizes near the Oregon median.
- #8 of 9
- public schools in Ontario · Resource Index
- 31
- 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
CCD year-over-year · 2022-23 → 2023-24
+35 students YoY
Ontario High School grew from 656 students in 2022-23 to 691 in 2023-24 (+5.3%).
Teacher FTE added 38.9 → 43.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+35 students YoY 410927000746 · Ontario, OR High · MID · TRAD
709 enr · 18.7:1 · RII 31
Nearest enrollment peer: Ontario Middle School (471 students)
Ontario High School grew from 656 students in 2022-23 to 691 in 2023-24 (+5.3%). Teacher FTE added 38.9 → 43.9 across the same CCD years. Read with this school → · District book → · Oregon schools → · Find another →
Ontario High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Ontario High School
709 students
- Ontario Middle
Ontario Middle School
471 students
- Alameda Elemen
Alameda Elementary School
355 students
- Aiken Elementa
Aiken Elementary School
333 students
- May Roberts El
May Roberts Elementary School
302 students
- Cairo Elementa 109
Cairo Elementary School
109 students
What this shows Ontario High School reports 709 students on the CCD universe file.
How Ontario High School compares
Ontario High School is a growing campus on CCD: ratios and free-lunch share vs 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 methodology
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
$16,821
per pupil, district-wide
- below Oregon avg of $21,075
Close to the U.S. public-school average per-pupil spend.
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.
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
District finance for Ontario Sd 8c reports $16,821 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 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
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~709 students)
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. CCD year-over-year: 656 (2022-23) → 691 (2023-24), up 35.
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 31/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. 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.
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.