Summary
Castle High School is a large public high school in Newburgh, Indiana, serving grades 9–12 in the Warrick County School Corp, with 1,953 students — the largest school in this comparison set. It ranks 25th of 415 Indiana high schools in 2025–2026, placing it in the 94th percentile with 5 stars, and it has earned 5 stars in every year of its listed rank history, a long-running top-6% to top-10% profile.
SAT is Castle's clearest academic signature. In 2025–2026, 72.29% of students were proficient in SAT Evidence-based Reading and Writing compared with 51.9% statewide, and 44.17% in SAT Math compared with 25.6% statewide. Among nearby schools, only the much smaller Signature School Inc ranks higher overall, at 2nd of 415. Same-district peers Tecumseh High School (49th) and Boonville High School (94th) trail Castle in rank and SAT scores. Evansville-area schools — New Technical Institute (48th), Central High School (66th), North High School (98th), Francis Joseph Reitz High School (101st), and William Henry Harrison High School (286th) — generally rank lower with weaker SAT proficiency.
Castle's 2024–2025 graduation rate was 95.7%, above the district's 94.9% and the state's 89.7%, and up from 91.0% in 2020–2021. Chronic absenteeism was 9.8%, below district and state averages and far lower than Boonville (25.8%), North (20.5%), Reitz (24.9%), Central (27.4%), and Harrison (35.4%); only Signature, at 7.9%, is lower. About 24.6% of students qualify for free/reduced lunch, and per-student spending was $10,587 in 2023–2024 with a 17.4 student-teacher ratio — lower spending and larger classes than several nearby schools, yet top-tier results. Biology proficiency was 58.18% in 2025–2026, near the district average. Effectiveness with low-income (92nd–95th percentile), Hispanic (81st–96th), African American (87th–89th), and English Language Learner (90th percentile) students is a statewide strength; Asian, multiracial, and recent special education results are relatively less consistent.
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