Summary:
Munster High School is the only high school in School Town of Munster, a single-high-school district in Munster, Indiana, serving grades 9–12 to approximately 1,474 students — about 368 to 369 students per grade. The district ranks 9th of 374 Indiana districts, placing it in the 98th percentile with a five-star rating. The school itself has earned five stars and a top-5% statewide position in each of the last three school years, at the 95th, 98th, and 96th percentile respectively.
Outcomes are strong across the board. The graduation rate is 98.0%, well above Indiana's 89.7%, and chronic absenteeism is 8.8% — roughly half the state's 16.7%. On assessments, 11th-grade SAT Evidence-based Reading and Writing proficiency was 83.07% in 2024–25 and 77.06% in 2025–26, compared with 54.5% and 51.9% statewide. SAT Math came in at 46.61% and then 48.32%, against state rates of 25.4% and 25.6%. ILEARN Biology End-of-Course proficiency rose from 63.56% to 65.70%, versus a state rate of 45.6% in 2024–25.
The school's signature pattern is a wide reading-over-math gap: reading proficiency exceeds math by 28.7 points in 2025–26 and by 36.5 points in 2024–25. Math proficiency remains under 50%, yet it is nearly double the state rate, making it both the largest relative advantage and the clearest area for growth. Reading slipped about 6 points year over year while math and biology improved, though a single-year move in one subject is directional rather than definitive. With 24.97% of students eligible for free or reduced lunch, these results are not simply an affluence story. Per-student spending is $11,384 (2023–24) and the student–teacher ratio is 16.6:1, both descriptive context without state benchmarks in this data. One caution for parents: district Biology proficiency (72.31% in 2025–26) is higher than the school's 65.70%, most likely because the district figure includes test-takers outside the high school building, so district and school results are not interchangeable for every measure.
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