Summary:
Zip code 45304 covers Arcanum, Ohio, a small community served by three public schools — all part of the Arcanum-Butler Local district. Together they cover grades K–12: Arcanum Elementary School (K–4, 437 students), Butler Middle School (5–8, 321 students), and Arcanum High School (9–12, 325 students), for a total enrollment of 1,083. The district ranks 74th of 773 Ohio districts, placing it in the 90th percentile with 5 stars.
Arcanum Elementary School is the flagship: in 2025–2026 it ranked 152nd of 1,560 Ohio elementary schools, in the 90th percentile, with 5 stars — and it earned 5 stars the two prior years as well. Its 4th grade math score of 93.8% proficiency far exceeds the state's 67.3%, and it has the lowest chronic absenteeism of the three schools at 5.4%. Butler Middle School ranked 170th of 1,046 middle schools (84th percentile, 4 stars), with every reported test above the state, including a remarkable 100% proficiency in Algebra I in both years. Arcanum High School posted the biggest year-over-year gain, climbing from the 73rd to the 89th percentile (89th of 795, 4 stars), with a 98.8% graduation rate.
Across all three schools, every one of the 21 reported 2025–2026 tests was above the state average, by an average of about 19.5 points. Chronic absenteeism is low district-wide (6.6%), though the middle and high schools sit slightly above the district at 7.4% and 7.5%. Spending figures date to 2018–2019, so they are not current. Notably, Arcanum High School reports 99.08% free/reduced lunch eligibility, while the elementary and middle schools do not report this figure, making district-wide comparisons impossible.
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