Summary:
Hanover, Indiana has one listed public high school, Southwestern High School, which serves grades 9–12 with 350 students and belongs to the Southwestern-Jefferson County Con district. Because this is the only high school in the city, its results represent the entire local public high-school option for families. The school has held a 2-star rating and ranked around the 40th–43rd percentile in Indiana across 2023–24, 2024–25, and 2025–26, so its overall standing has been stable even as individual subjects have moved.
Southwestern’s clearest strength is graduation: in 2024–25, its graduation rate was 98.7%, the same as the district and 9.0 percentage points above the state’s 89.7%. For graduation and all test scores, the school and district figures are identical, so the district’s high-school results essentially reflect this school. Chronic absenteeism was 15.5% at the school, lower than the state’s 16.7% but higher than the district’s 10.7%. About 53.14% of students were eligible for free/reduced lunch in 2024–25. In test scores, Biology ILEARN End-of-Course proficiency improved from 38.55% in 2024–25 to 51.39% in 2025–26, a 12.84-point gain. In 2024–25, the school was 7.05 points below the state’s 45.6% in Biology; the 2025–26 state comparison was not provided.
The biggest concerns are SAT results, especially math. SAT Math proficiency was 9.59% in 2025–26 and 11.36% in 2024–25, far below the state’s 25.6% and 25.4%. SAT ERW fell from 53.41% in 2024–25 to 42.47% in 2025–26; it was only 1.09 points below the state in 2024–25, but 9.43 points below the state in 2025–26. The school reports $13,707 per student in 2023–24 and a 13.7:1 student-teacher ratio in 2024–25, though the dataset gives no state comparison for those. Overall, parents should see a school that graduates nearly all students, has improving Biology results, but still faces significant college-readiness gaps in SAT math and a recent ERW decline.
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