Jonathan Alder High School

Jonathan Alder High School operates as an average-sized four-year high school in Plain City, Ohio, one of the schools within Jonathan Alder Local. Current enrollment sits at 729 students spanning grades 9 through 12. Compared to the state average of about 565 students per school, that is 29% larger than typical.

Jonathan Alder High School is one of 5 schools operated by Jonathan Alder Local, a district that serves 2,412 students overall.

Looking at the student body, Jonathan Alder High School lists that nearly all students (85%) are White; the rest is composed of 11% Hispanic, 3% multiracial. That mix tracks the wider county fairly closely.

Looking at school resources, On paper, Jonathan Alder High School has 34 full-time-equivalent teachers, translating to a class-load average of around 21.2:1. Statewide, the average ratio sits near 17.7:1, putting Jonathan Alder High School higher than the state norm the norm. Roughly 32% of students at Jonathan Alder High School qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is noticeably below Madison County's rate of about 49%.

With demographic context factored in, Jonathan Alder High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 76.7%; this one delivers 77.1%.

Around the school, community-level numbers for Madison County indicate median household earnings sit near $87,045, roughly 24% of adults have completed at least a four-year degree, and the poverty rate sits near 6%. In all, Madison County runs 18 public schools (combined enrollment of about 7,189 students), of which Jonathan Alder High School is one.

Jonathan Alder Junior High is the nearest neighboring public school, about 0.7 miles from this campus. Counting just inside five miles, 4 other public schools cluster around Jonathan Alder High School. Among the 8 schools in that immediate cluster with test data (this one included), Jonathan Alder High School ranks 6th on composite proficiency, behind the local average of 77.9%.

The campus sits in a low-density setting.

Looking at the recent track record. Over the past 7-year window, the student count rose 8%: 678 students in 2018 compared to 729 in 2025. White enrollment moved from 96% to 85% across the same window. The student-to-teacher ratio pulled in from 24.4:1 in 2018 to 21.2:1 today.

On this page, the feed for Jonathan Alder High School typically covers classroom updates, athletics, and weather closures. The community welcomes input from current and former families.