Summary:
ZIP code 46356 in Lowell, Indiana, contains one high school, Lowell Senior High School, which serves grades 9–12 and enrolls 981 students in Tri-Creek School Corporation.
Parents will find a generally strong school. The district is ranked 36th of 374 Indiana districts—90th percentile with 5 stars—while the school ranked 83rd of 415 high schools in 2025–26, the 80th percentile with 4 stars. That is a rebound from 2024–25 (146th of 429, 66th percentile, 3 stars) but slightly below 2023–24 (58th of 432, 87th percentile, 4 stars). The 2024–25 graduation rate was 99.1%, well above Indiana’s 89.7%. In 2025–26, SAT proficiency was above the state in Evidence-based Reading and Writing (57.92% vs. 51.9%) and Mathematics (32.08% vs. 25.6%). Math rose sharply from 21.65% in 2024–25, when it was below the state’s 25.4%. Biology was 48.86% in 2024–25, above the state’s 45.6%, and 48.41% in 2025–26, with no state comparison provided for that year.
The clearest concern is chronic absenteeism: 46.7% in 2024–25, far above the district’s 28.4% and Indiana’s 16.7%. For context, 26.81% of students qualified for free/reduced lunch, per-student spending was $12,260 in 2023–24, and the student-teacher ratio was 20.5 in 2024–25. Because this ZIP code has only one high school, there is no cross-school comparison; families should weigh the strong graduation rate, above-state SAT results, and ranking rebound against the high absenteeism rate. If attendance improves while recent academic gains hold, the school’s profile would be even stronger.
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