Ontario High School
🇺🇸 Official data · 2025Mansfield, Ohio 44906 · Ontario Local
#176 of 802 high schools in Ohio
#2911 of 16,910 nationally
About Ontario High School
Ontario High School is a public high located in Mansfield, in the Ontario Local school district of Ohio, United States. It caters for Grades 9–12. In 2025 it enrolled 540 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 71.6 out of 100, placing it in the top 25% of high schools in United States and 176th of 802 ranked high schools in Ohio. Its strongest component is reading proficiency (87th percentile), and its weakest is students per teacher (24th percentile).
Other published figures: enrollment 540.
There are 18 schools in Mansfield; Ontario High School ranks 4th of 17 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)62%
- Reading proficiency (30%)82%
- Community advantage (fewer free/reduced-price lunch) (25%)34.8%
- Students per teacher (15%)18.6
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Ontario High School by the official sources.
- Enrollment
- 540
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 34.8%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 18.6
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 82%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 62%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
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Schools near Ontario High School
Closest schools by straight-line distance, with their Success Index (US).
Ontario Middle School
Mansfield · Public middle · Grades 6–8
471 students · 142 m away
Stingel Elementary School
Ontario · Public elementary · Grades PK–5
922 students · 310 m away
The Richland School of Academic Arts
Mansfield · Charter elementary · Grades K–8
338 students · 6.7 km away
Buckeye Community School
Ontario · Charter high · Grades 9–12
566 students · 6.9 km away
Cypress High School
Mansfield · Charter high · Grades 9–12
231 students · 7.7 km away
Sherman Elementary School
Mansfield · Public elementary · Grades PK–2
613 students · 7.9 km away
Legacy Academy of Excellence Mansfield
Mansfield · Charter elementary · Grades K–8
100 students · 8.0 km away
Foundation Academy
Mansfield · Charter elementary · Grades K–8
382 students · 8.2 km away
Springmill STEM Elementary
Mansfield · Public elementary · Grades K–6
257 students · 8.2 km away
Lexington Pre-School
Ontario · Public other · Grades PK–PK
60 students · 8.7 km away
Similar schools
Public high schools in Ohio with a comparable Enrollment.
Columbus International High School
Columbus · Public high · Grades 9–12
540 students
United High School
Hanoverton · Public high · Grades 6–12
541 students
Perkins High School
Sandusky · Public high · Grades 9–12
539 students
Dunbar Early College High School
Dayton · Public high · Grades 9–12
542 students
Meigs High School
Pomeroy · Public high · Grades 9–12
542 students
John Glenn High School
New Concord · Public high · Grades 9–12
542 students
Frequently asked questions
Is Ontario High School a good school?
Ontario High School has a Success Index (US) of 71.6 out of 100 (Top 25% of high schools in United States) and ranks #176 of 802 in Ohio. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Ontario High School rank in Ohio?
Ontario High School ranks #176 of 802 high schools in Ohio and #2911 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Ontario High School?
Ontario High School had 540 students in 2025.
Is Ontario High School a elementary school or a high school?
Ontario High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Ontario High School?
There are 10 schools within 15 km of Ontario High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.