Summary:
Lake Central School Corporation in Saint John, Indiana is a single-high-school district serving grades 9–12, and its one high school, Lake Central High School, enrolls 2,926 students, making it a large high school. The district itself is rated 5 stars and ranks 27th of 374 Indiana districts, placing it in the 93rd percentile. Because the corporation has only one high school, the school's results essentially define the district's high-school-level performance.
Lake Central High School is a consistent top-decile performer, earning 5-star ratings in each of the last three school years: 33rd of 415 (92nd percentile) in 2025–2026, 22nd of 429 (95th percentile) in 2024–2025, and 29th of 432 (93rd percentile) in 2023–2024. Its academic results far exceed state averages. The 2024–2025 graduation rate was 96.1% versus Indiana's 89.7%. SAT Evidence-based Reading and Writing proficiency was 66% in 2025–2026 against 51.9% statewide, and SAT Math was 46.27% against 25.6%—nearly double the state rate. In 2024–2025, the gaps were even wider: 73.87% versus 54.5% in ERW and 52.85% versus 25.4% in Math. Biology ILEARN End of Course proficiency was 61.38% in 2024–2025 versus 45.6% statewide, and 60.7% in 2025–2026.
The clearest area to watch is attendance: chronic absenteeism at the high school was 24.3% in 2024–2025, compared with 16.2% across the district and 16.7% statewide—8.1 points above the district and 7.6 points above the state. Recent SAT results also softened from 2024–2025 to 2025–2026, with ERW falling from 73.87% to 66% and Math from 52.85% to 46.27%, while the school's rank slipped from 22nd to 33rd. Even so, it retained 5 stars and stayed in the top 8% of ranked Indiana high schools. Other context: 22.28% of students qualified for free/reduced lunch, spending was $10,837 per student in 2023–2024, and the student-teacher ratio was 20.2.
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