Enrollment
540
Ohio · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 390494703608
Ontario High School — Mansfield, OH
Federal NCES profile for Ontario High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 44/100.
👥 Class size 27
📚 AP courses 5
🌟 Gifted program 70
🎓 Counselors 46
📋 Attendance 74
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Ontario Local · Ohio
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
18.2:1
vs 18.3:1 Ohio avg
-1% 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
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Ontario High School reports 540 enrolled students to the National Center for Education Statistics (NCES) alongside 29.0 full-time-equivalent teachers, producing a 18.2:1 student-teacher ratio. That figure sits 1% below the Ohio state mean of 18.3:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 14% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 21.6% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 32% below the Ohio average and 58% below the national baseline. The school offers 1 Advanced Placement course, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 270 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 10.6% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Ontario Local spends $10,829 per pupil district-wide, below the Ohio average of $16,867 and below the national average of $19,490. Revenue comes 55.8% from local sources (property taxes), 30.4% from the state, and 13.8% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 44/100 (D), calculated from 5 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Ontario High School compares
Cross-validating school-level NCES values against Ohio state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Ohio | Ohio avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.2:1 | ▼ 1% | 18.3:1 | 15.9:1 |
| Free-lunch eligible | 21.6% | ▼ 32% | 31.6% | 51.8% |
| Enrollment | 540 | top 72% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
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
18.2:1
students per teacher
— 1% below state mean
Top 58% in Ohio — lower ratio than 42% of state schools
Between 15:1 and 20:1 — in line with the typical U.S. public-school staffing range.
Engagement
10.6%
chronically absent (missed 10%+ of school days)
Between 10–20% — above the pre-pandemic baseline of ~15% nationally but within the current U.S. range.
Funding equity
$10,829
per pupil, district-wide
— below Ohio avg of $16,867
Below the U.S. average per-pupil spend — funding constraints 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
Enrollment 540 Top 72% in Ohio — larger than 28% of 3,586 state schools
Teachers (FTE) 29.0
Students per teacher 18.2:1 -1% vs state
Free-lunch eligible 21.6% -32% vs state
NCES ID 390494703608
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.
Programs & staff
AP courses offered 1
Gifted & talented Yes
Counselors (FTE) 2.0
Students per counselor 270:1
Discipline & special education
Chronically absent 10.6%
In-school suspensions 42
Out-of-school suspensions 24
Expulsions 2
Funding & spending
District-wide per-pupil expenditure for Ontario Local, which includes Ontario High School.
$10,829
Per student
-36%
vs Ohio
Avg $16,867
-44%
vs U.S.
Avg $19,490
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.
Other Schools in This District
- Enrollment
- 922
- Students per teacher
- 23.4:1
- Enrollment
- 471
- Students per teacher
- 21.3:1
Similar high schools in Mansfield
2 comparable high schools (grades 9-12) serving the same city.
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
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 18.2:1, which is 1% lower than the Ohio average of 18.3:1 and 14% higher than the national average of 15.9:1. Lower ratios generally mean more individual attention per student.
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%. The school serves a diverse student body in Mansfield, OH.
What is the Resource Investment Index for Ontario High School?
Ontario High School has a Resource Investment Index of 44/100 (D) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.