Summary:
Mississinewa High School is the only high school in Mississinewa Community School Corp, serving grades 9–12 with 760 students at 1 Indian Trl in Gas City, Indiana. Because it is the district's sole high school, the useful comparisons are to district and state averages rather than to other local high schools.
Graduation is the school's clearest strength: 97.7% in 2024-2025, matching the district and 8.0 percentage points above Indiana's 89.7%. Other measures are less encouraging. Chronic absenteeism stands at 20.4%, above the district's 15.0% and the state's 16.7% — roughly 1 in 5 students. The school's 2025-2026 rank is 308 out of 415 with 1 star and a 26th percentile, down from 263 out of 429 (39th percentile, 2 stars) in 2024-2025 and 282 out of 432 (35th percentile, 2 stars) in 2023-2024. The district overall is rated 2 stars, ranked 251 out of 374 at the 33rd percentile.
Test proficiency trails state levels. In 2025-2026, 38.65% of students met the SAT Evidence-based Reading and Writing mark versus 51.9% statewide, and 15.95% met SAT Math versus 25.6% statewide. Biology is the weakest area: 12.64% proficient in 2024-2025 against 33.08% in the district and 45.6% statewide, and 13.33% in 2025-2026 versus 25.14% in the district. Context includes 62.24% free/reduced lunch participation, $12,306 per-student spending, and a 15:1 student-teacher ratio.
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