Summary:
ZIP code 43076 covers Thornville, Ohio, and contains exactly one public high school: Sheridan High School, which serves grades 9–12 with 711 students as part of the Northern Local district. Because there is only one high school here, there is no cross-school comparison to make within the ZIP; the meaningful comparison is between Sheridan and Ohio statewide averages.
Academically, Sheridan High School performs above the Ohio state average in every reported End-of-Course subject in both 2024–2025 and 2025–2026. In 2025–2026, American History was the strongest subject at 86.5% proficient, followed by American Government at 78.8%, Biology at 77.0%, English II at 76.5%, and Algebra I at 74.7%. English II showed the biggest improvement, rising 8.1 percentage points, and its gap above the state rate was the largest at +13.8 points. Across the six subjects, Sheridan's simple average was about 73.3% versus Ohio's 63.2%. The graduation rate was 96.8%, matching the district rate.
Two areas deserve attention. Geometry is the clear weak spot: 46.5% proficient, down 5.9 points year over year, and the only subject below half — though still above the state rate of 43.3%. American Government also slipped 4.8 points. Chronic absenteeism at the school was 22.4%, higher than the district's 19.5%, a 2.9-point gap worth monitoring. Meanwhile, the school's rank percentile eased from 79th in 2023–2024 to 69th in 2025–2026, and its star rating moved from 4 stars to 3 stars, even as test scores stayed above state. Note two data gaps: free/reduced lunch eligibility is not reported, so socioeconomic context is unknown, and per-student spending is only available for 2018–2019 at $9,290, which is too old to describe current funding.
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