Summary:
ZIP code 45014 in Fairfield, Ohio, is served by a single public high school — Fairfield High School — a grades 9–12 campus in the Fairfield City district with 2,255 students, making it a large high school by Ohio standards. Because there is only one school here, the useful comparisons are between Fairfield High and its own district and the state.
Fairfield High School is in the middle of a sharp, broad improvement. Its state percentile among Ohio high schools rose from 35th to 48th over three years, and in a single testing cycle its average proficiency across six End-of-Course subjects climbed roughly 11 points, from about 55% to about 66%, while the state average moved less than 2 points. In 2024–25 the school trailed the state in four of six subjects; in 2025–26 it beat the state in five of six, finishing about 2.8 points above the state average. Every subject improved. Algebra I nearly doubled, from 28.0% to 55.4%, and Biology, Geometry, and American History each gained about 10 points or more.
Two things temper the picture. Math remains the weak spot: Algebra I is still the only subject where the school trails both its district and the state, and Geometry, at 44.8%, is low for the school but sits close to district and state levels. Attendance is the other concern — chronic absenteeism is 28.9%, about 1.5 times the district's 19.3%, even though the 94.2% graduation rate essentially matches the district's 94.1%. The student–teacher ratio is high at 22.5:1, implying roughly 100 teachers for 2,255 students. The $8,325 per-student spending figure dates to 2018–19 and is too old to describe current resources. Fairfield High is improving and now modestly ahead of the state, but still ranks just below its own district's 50th percentile.
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