Summary:
ZIP code 47708 in downtown Evansville contains exactly one high school — Signature School Inc, a grades 9–12 campus at 610 Main St with 384 students. Because there is only one school here, there are no local peers to compare it against; instead, this profile measures the school against Indiana as a whole.
Signature School is ranked #2 in Indiana out of 415 ranked high schools in 2025–2026, a 5-star rating at the 100th percentile, and it has held the #2 spot in each of the past three years. Its 2024–2025 graduation rate is 100.0%, compared with 89.7% statewide, and chronic absenteeism is 7.9% — less than half the state's 16.7%. Test proficiency is far above state levels: 95.6% in SAT evidence-based reading and writing versus 51.9% statewide, 90.11% in SAT mathematics versus 25.6%, and 98.99% in Biology ILEARN, up from 96.91% the prior year (the state's only available Biology figure is 45.6%).
Context matters when reading these numbers. Only 10.68% of students qualify for free or reduced-price lunch, so the student body is comparatively affluent, and the state comparisons above are not adjusted for poverty — the roughly 64-point math gap is a raw gap, not a value-added measure. Resources look ordinary rather than extraordinary: $10,641 spent per student and a 14.2 student-teacher ratio. With about 96 students per grade, small cohorts mean a single year's percentage can move on a handful of students, which makes the three-year hold on #2 more notable. One quirk: the school record lists the Signature School Inc district as ranked 2 of 374, while the rank history shows 2 of 415 — an unexplained difference in the source data, not a change in standing. School and district figures are identical throughout.
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