Summary:
Zip code 48817 is home to a single high school, Corunna High School, which serves grades 8 through 12 within the Corunna Public Schools district, enrolling 610 students in a small-town Michigan setting.
For parents, the most striking takeaway is the school’s exceptional ability to keep students on track to graduate. With a 95% graduation rate—11 points above the state average—and a dropout rate of just 3.2%, Corunna High School clearly excels at student retention and completion. However, this strength contrasts sharply with its academic performance. The school ranks in the 45th percentile statewide (436th out of 800), and its 11th-grade SAT math proficiency is a critical weakness at just 13.2%, compared to the state’s 26.5%. Reading and writing scores are closer to average (45% vs. 52.1% statewide), but science (24%) and social studies (37.2%) also lag behind state benchmarks. Interestingly, 8th graders at the school outperform state averages in both PSAT math (39.3% vs. 33.2%) and ELA (65.4% vs. 64.8%), suggesting strong foundational skills that appear to erode significantly by junior year—a trend that may indicate a need for more rigorous high school coursework, particularly in STEM subjects.
Chronic absenteeism affects 20.4% of students, which is better than the state’s 27.9% but still means one in five students misses significant school time. With 38.85% of students economically disadvantaged, the school spends $15,612 per student and maintains a student-teacher ratio of 17.8. A notable concern is the sharp single-year decline in 11th-grade science proficiency, dropping from 31.4% to 24%. While the district itself earns a 3-star rating (65th percentile), the high school’s 2-star rating suggests that despite strong graduation outcomes, families should investigate math and science support if considering this school for college-bound students.
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