Summary:
ZIP code 47882 in Sullivan, Indiana, is served by one high school, Sullivan High School, which enrolls 528 students in grades 9–12 as part of Southwest School Corporation. Because it is the only high school in this ZIP code, parents should view its profile in detail and compare it with district and Indiana state figures rather than with another local high school.
Sullivan High School’s strongest indicators are graduation and attendance. Its 2024–2025 graduation rate was 94.1%, matching the district and exceeding Indiana’s 89.7% by 4.4 percentage points. Chronic absenteeism was 11.2%, better than the district’s 12.5% and the state’s 16.7%. SAT Evidence-based Reading and Writing is also a relative strength: 56.76% proficient in 2025–2026 versus Indiana’s 51.9%, and 57.35% in 2024–2025 versus 54.5% statewide. The school ranked 146th of 415 Indiana high schools in 2025–2026, in the 65th percentile with 3 stars. That is above the state median but down from 105th of 429, 76th percentile, 4 stars in 2024–2025, and up from 237th of 432, 45th percentile, 2 stars in 2023–2024. The district summary is less favorable at rank 227 of 374, 39th percentile, 2 stars, though district and school rankings are not directly equivalent.
The clearest academic concern is SAT Mathematics, which fell from 25.74% proficient in 2024–2025—slightly above Indiana’s 25.4%—to 18.92% in 2025–2026, below the state’s 25.6%. Biology End-of-Course results were mixed: 49.32% in 2024–2025, above the state’s 45.6% but below the district’s 58.41%, and 45.57% in 2025–2026, below the district’s 55.08%, with the state value not provided. Contextually, 49.43% of students qualify for free/reduced lunch, per-student spending is $12,989, and the student-teacher ratio is 13.3:1. Overall, the school combines strong graduation and attendance outcomes and solid SAT Reading/Writing performance with a recent ranking above the state median, but notable weakness in SAT Mathematics and a Biology decline.
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