Ontario High School

Ontario High School operates as a mid-tier high school in Mansfield, Ohio, operated by Ontario Local. Current enrollment sits at 540 students spanning grades 9 through 12.

Within Ontario Local, which oversees 3 schools and 1,933 students, Ontario High School is one campus in the system.

For racial and ethnic makeup, Ontario High School lists that the student body is overwhelmingly White (81%). Beyond that, the school logs 6% multiracial, 5% Black, 4% Hispanic, 3% Asian. That composition is broadly in line with Richland County as a whole.

In terms of school funding signals, On paper, Ontario High School has 30 full-time-equivalent teachers, translating to a class-load average of around 18.2:1. The state averages about 17.7:1, putting this campus right in line with peers. Roughly 35% of students at Ontario High School qualify for free or reduced-price lunch, often used as a Title I proxy. By comparison, Richland County runs at roughly 54%, so the school's eligibility rate is lower than the surrounding baseline.

Adjusting for the school's free-and-reduced-lunch share, Ontario High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 75.7%, the actual is 74.7%, a residual of -0.9 points.

In the broader community, Richland County reports that the typical household earns roughly $59,509 per year, 18% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 10%. Across Richland County's 49 public schools (combined enrollment of about 18,772 students), Ontario High School is one campus in the mix.

Nearest neighbor: Ontario Middle School, around 0.1 miles off. Within five miles, there are 7 other public schools.

The campus sits in a countryside setting.

Looking at the recent track record. Looking back 7 years, enrollment at Ontario High School has edged down 3%, going from 559 students in 2018 to 540 in 2025.

Inside the community feed, the feed for Ontario High School typically covers school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.