Summary:
ZIP code 43074 covers Sunbury, Ohio, and is served by two middle-level schools in the Big Walnut Local district: Big Walnut Middle School (listed grades 5–8, 973 students) and Big Walnut Intermediate School (listed grades 4–6, 663 students), for a combined middle-level enrollment of 1,636. In the tested grades, Big Walnut Intermediate reports grades 4–5 while Big Walnut Middle reports grades 6–8 plus Algebra I End of Course, so the two schools cover mostly different tested grades.
Big Walnut Middle School is the standout on statewide ranking and advanced math. It ranked 99th of 1,046 in 2023–2024, 107th of 1,036 in 2024–2025, and 109th of 1,046 in 2025–2026, placing it at the 90th–91st percentile all three years, with 5 stars in 2023–2024 and 4 stars in each of the last two years. Its Algebra I End of Course proficiency was 99.2% in 2024–2025 and 98.6% in 2025–2026, far above the state's 59.4% and 61.6%; this reflects an advanced math cohort rather than whole-school math. English Language Arts stayed strong and steady in the low-to-mid 80s, while math proficiency declined by grade in 2025–2026 (81.7% in 6th, 68.2% in 7th, 68.1% in 8th). Every reported subject and grade score in both years beat the Ohio average.
Big Walnut Intermediate School stands out for attendance and English Language Arts. Chronic absenteeism was 8.1% in 2025–2026, below the district's 12.1% and Big Walnut Middle's 11.6%. Its 5th grade ELA proficiency was 90.3% in 2024–2025 and 82.2% in 2025–2026, both well above the state's 67.7% and 70.4%, though the 8.1-point dip may reflect a cohort change. It also beat the state in every reported subject and grade. Note that it has no rank history in this data, spending figures are from 2018–2019, and absenteeism is shown only for 2025–2026.
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