Summary
Chesterton Senior High School is a large public high school serving grades 9–12 in Chesterton, Indiana, part of the Duneland School Corporation, with 1,937 students. In 2025–26 it ranked 30th of 415 Indiana high schools — the 93rd percentile — earning a 5-star rating. That marks a return to form: after slipping to 76th and 77th statewide in 2018–19 and 2020–21, the school has climbed steadily (35th, then 51st, 50th, and 48th) to its best showing in the provided decade.
Outcomes are strong on most measures. The graduation rate is 99.1% (2024–25), versus 98.8% for the district and 89.7% statewide. SAT evidence-based reading and writing proficiency was 74.24% in 2025–26, the highest among nearby schools and roughly 22 points above the state; SAT math was 43.07%, about 17.5 points above the state. Subgroup effectiveness in 2025–26 was exceptional, with 5-star ratings for nearly every student group measured — including female, male, Hispanic, white, special education, and low-income students — and a No. 1 statewide effectiveness rating for African American students. Per-student spending was $12,381 (2023–24), with a 17.2 student-teacher ratio.
Two areas lag. Chronic absenteeism was 18.7% in 2024–25, above the district’s 15.6% and the state’s 16.7%, and higher than nearby Washington Township Middle/High School (10.4%), Valparaiso High School (11.8%), and Hobart High School (14.9%), though far better than Portage High School (27.3%). Biology end-of-course proficiency was 49.5%, below the district’s 63.94% and behind several area high performers. Against its closest large peer, Valparaiso, Chesterton ranks higher overall (30th vs. 34th) with stronger SAT reading and writing, while Valparaiso leads in SAT math, biology, and attendance. Chesterton is clearly above Portage and in a different performance tier from River Forest High School and Thomas A Edison Junior-Senior High School.
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