Enrollment
540
Ohio · 2024-25 NCES data
High school (grades 9-12) · Mansfield, OH
Ontario High School
Federal NCES profile for Ontario High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 390494703608
👥 S:T ratio 26
📚 AP courses 5
🌟 Gifted program 70
🎓 Counselors 46
📋 Attendance 74
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ontario High School earns 44/100 on the Resource Investment Index, with class sizes near the Ohio median.
- #1 of 3
- high schools in Mansfield · Resource Index
- 44
- Resource Index · Typical
- 18.6:1
- students per teacher
- 21.6%
- free-lunch eligible
Ontario High School has class sizes near the Ohio median. Computed live against every Ohio school reporting to NCES.
By Resource Investment Index, Ontario High School ranks #1 of 3 high schools in Mansfield, OH.
School address
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
18.6:1
vs 18.2:1 Ohio avg
+2% vs state
Free-lunch eligible
21.6%
vs 31.6% Ohio avg
-32% vs state
Student-teacher ratio in context
How Ontario High School compares with Ohio and U.S. medians
What stands out at Ontario High School
Ontario High School is a mid-sized high school in Mansfield, Ohio, enrolling 540 students.
Class loads run somewhat heavier than typical: 18.6:1 puts it in the larger third of Ohio schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 21.6% of students eligible for free meals.
Enrollment of 540 puts it in the larger third of Ohio schools by headcount.
Its Resource Investment Index outscores 91% of the 3,574 Ohio schools with a score on record, a top-tier result on this measure.
Among 750 similarly sized, similarly resourced-need Ohio schools statewide, it ranks #39, a top-tier result once campus size and economic need are matched.
Its student body is predominantly White (82% of enrollment) (diversity index 33/100).
On the academic-pipeline side it reports 1 Advanced Placement course.
Counselor coverage runs a bit thin, about 270 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
10.6% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Ontario Local spends $10,125 per pupil, 31% below the Ohio average, a leaner-resourced district than most.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Among Mansfield's high schools, it stands alongside Madison High School (855 students): Ontario High School is smaller than that campus by headcount.
Ontario Local also operates Stingel Elementary School (922 students) and Ontario Middle School (471 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 Ohio and U.S. means.
| Metric | This school | vs Ohio | Ohio avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.6:1 | ▲ 2% | 18.2:1 | 15.7:1 |
| Free-lunch eligible | 21.6% | ▼ 32% | 31.6% | 51.7% |
| Enrollment | 540 | top 28% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.6:1
Leaner classes than 22% of US schools, heavier class loads than most.
540
Bigger than 66% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
21.6%
free-lunch eligible
- 32% below the Ohio average of 31.6%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
18.6:1
students per teacher
- 2% above state mean
Top 62% in Ohio - lower ratio than 38% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
10.6%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$10,125
per pupil, district-wide
- below Ohio avg of $14,655
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 270 students, the combined health-and-guidance staffing load for this school.
Discipline context
42
in-school suspensions + 24 out-of-school
Suspension rate: 7.8 per 100 students. Combined in-school and out-of-school rate: 12.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
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
White 81.5%
Two or More 5.9%
African American 5.0%
Hispanic or Latino 4.1%
Asian 3.3%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 81.5% of enrollment.
Student-body diversity index 32.7/100
Simpson diversity index - at 32.7, Ontario High School is less mixed than the Ohio school average of 35.3.
Programs
AP courses offered 1
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Ontario Local, which includes Ontario High School.
$10,125
Per student
-31%
vs Ohio
Avg $14,655
-39%
vs U.S.
Avg $16,593
Revenue mix
Local 55.8%
State 30.4%
Federal 13.8%
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 |
|---|---|---|---|
| Stingel Elementary School | Larger | No free-lunch data | Higher S:T ratio |
| Ontario Middle School | Similar size | Similar economic need | Higher 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
- 922
- Students per teacher
- 23.1:1
- Resource Index
- 42/100
- Enrollment
- 471
- Students per teacher
- 21.4:1
- Resource Index
- 42/100
Similar high schools in Mansfield
2 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Ohio, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~540 students)
Next steps
Verify locally before acting on Ontario High School's federal record.
- Compare Ontario High School against another school. Compare schools
- Ontario Local'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 540 students enrolled. It is a high school in Mansfield, OH.
What is the student-teacher ratio at Ontario High School?
The student-teacher ratio at Ontario High School is 18.6:1, which is 2% higher than the Ohio average of 18.2:1 and 18% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Ontario High School?
21.6% of students at Ontario High School are eligible for free lunch, compared to the Ohio average of 31.6%.
What is the racial and ethnic makeup of Ontario High School?
The largest demographic group at Ontario High School is White at 81.5% of enrollment, in Mansfield, OH.
What is the Resource Investment Index for Ontario High School?
Ontario High School has a Resource Investment Index of 44/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Ontario High School rank among high schools in Mansfield?
By Resource Investment Index, Ontario High School ranks #1 of 3 high schools in Mansfield, OH. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Mansfield on the city page.
Is Ontario High School a good school?
Ontario High School earns 44/100 on the Resource Investment Index, with class sizes near the Ohio 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 Local?
Besides Ontario High School, Ontario Local also operates Stingel Elementary School (922 students) and Ontario Middle School (471 students). See the Ontario Local 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.