Summary:
Mill Creek Community School Corp is a small, high-performing Indiana district serving about 1,572 students in four schools across elementary, middle, and high school grades. It ranks 31st of 374 Indiana districts (92nd percentile) with 5 stars, and all four schools earned 4 stars in 2025–26. The district includes Cascade Senior High School (grades 9–12, 537 students), Mill Creek East Elementary (K–5, 359), Mill Creek West Elementary (K–5, 344), and Cascade Middle School (6–8, 332). The high school is the largest single school, while the two elementaries together enroll about 44.7% of all students.
Outcomes vary by school. Cascade Senior High School has a 97.6% graduation rate and strong SAT reading proficiency (71.32%), but SAT math is only 27.13% and Biology ILEARN is 52.31%, below the district’s 57.08%. Mill Creek East Elementary showed the biggest improvement: its rank rose to 142nd of 1,015, with ELA at 58.99%, math at 71.35%, science at 61.43%, and chronic absenteeism at just 3.4%. Mill Creek West Elementary improved steadily, has 5th-grade social studies at 58.49% and science at 62.67%, and does so with the district’s lowest per-student spending ($10,224). Cascade Middle School has a striking Biology EOC score of 95.83%, but that likely reflects a small or selective group; its all-grade ELA, math, and science results are below district averages, though 7th- and 8th-grade ELA are strong and 6th-grade ELA is 34.51%.
Chronic absenteeism is a district strength: every school is below the state’s 16.7%, with the high school highest at 11.3% and the elementaries exceptionally low. Rank trends show Mill Creek West Elementary improving from 70 to 84 percentile, Mill Creek East Elementary rebounding to 86, Cascade Middle School at 84, and Cascade Senior High School declining from 88 to 83 but still in the top 17% of high schools. For parents, the main opportunities are high-school math and biology, middle-school 6th-grade ELA, and middle-school core ILEARN performance. Spending, poverty, and staffing interact in complex ways rather than determining results alone.
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