Summary:
Zip code 44643 covers Magnolia, Ohio, and contains exactly one high school: Sandy Valley High School, serving grades 9–12 with about 414 students in the Sandy Valley Local district. Because there is no second local high school to compare against, the useful benchmarks are how this school performs against Ohio averages and against its own recent results.
The school's clearest strengths are a 97% graduation rate and its performance in English and social studies. In 2025–26, English II proficiency was 71.8% against Ohio's 62.7% — a 9.1-point advantage that widened from the year before — and American Government reached 77.6% versus 71.6% statewide, beating the state in both years on record. American History (72.1%) was close to Ohio's 73.2%. Across all six tested subjects, the school averaged 59.3% against the state's 63.2%.
Math and science are where the school lags. Algebra I proficiency was 42.9% compared with Ohio's 61.6%, a gap of roughly 19 points that has held for two straight years. Geometry fell from 51.0% to 32.3% in a single year, flipping an eight-point advantage over the state into an 11-point deficit, and Biology slipped to 59.3% versus 67.0% statewide. Chronic absenteeism is 33.5%, noticeably higher than the district's 19.9%, and the school's statewide percentile dropped from 46th to 35th. Parents may want to ask about math intervention and attendance support.
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