Summary:
ZIP code 45628 is home to three public schools — Adena Elementary School (PK–5), Adena Middle School (6–8), and Adena High School (9–12) — all in the Adena Local district and sharing one campus at 3367 County Road 550 in Frankfort, Ohio, with 1,084 students total. The district ranks 573 of 773 districts, at the 26th percentile with 1 star, and all three schools sit below the 50th percentile.
Each school has a distinct bright spot. Adena Middle School reported 100% proficient in Algebra I in 2025–2026 (state: 61.6%), up from 66.7% the year before, though this is a narrow outlier — excluding Algebra I, its average test result is about 46% against a state average near 56%. Adena High School has the strongest outcome metric, a 97.3% graduation rate, plus American Government at 74.1% and English II at 67.8%, both above state. Adena Elementary has the lowest chronic absenteeism at 9.3% (district: 13.2%) and 4th grade math at 73.9%, above the state's 67.3% and above state again the prior year.
Concerns differ by level. Chronic absenteeism climbs sharply with grade level: 9.3% elementary, 12.8% middle, 21.5% high — the high school is more than double the elementary rate. Adena High also trails state badly in Algebra I (33.8%), Geometry (30.1%), and Biology (56.6%), while Adena Middle School improved from a low base yet remains below state in every subject except Algebra I. The elementary school saw sharp 2025–2026 drops in Grade 5 science and ELA, and reports 99.43% FRPL with a 24.9 student-teacher ratio. Note that FRPL is not reported for the middle and high schools, and per-pupil spending figures date to 2018–2019.
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