Summary:
ZIP code 46793 has exactly one high school: DeKalb High School in Waterloo, Indiana, which serves grades 9–12 and enrolls 1,007 students as part of the DeKalb County Ctl United School District. In 2025–2026, it ranked 65th out of 415 Indiana high schools, placing it in the 84th percentile with 4 stars—a strong rebound from 135th out of 429 (69th percentile, 3 stars) the prior year. Its 2024–2025 graduation rate is 95.7%, well above the state’s 89.7%.
Key metrics show 38.63% of students receive free or reduced lunch, per-student spending is $12,438, and the student-teacher ratio is 17.6. In 2025–2026, test proficiency was 59.47% in Biology, 58.59% in SAT Evidence-based Reading and Writing, and 30.84% in SAT Math—all above district and state levels. However, chronic absenteeism is 19.0%, higher than both the district’s 13.1% and the state’s 16.7%. This means roughly 1 in 5 students is chronically absent, contrasting with otherwise strong outcomes.
From 2024–2025 to 2025–2026, the school improved in all tested areas: Biology +9.24 points, SAT ERW +4.08 points, and SAT Math +7.23 points. SAT Math remains the lowest proficiency area at 30.84%, though it’s above the state’s 25.6%. The district itself ranks 181st out of 374 (52nd percentile, 3 stars), so the high school is a relatively strong performer locally. Because it’s the only high school in the ZIP, comparisons are best made against district, state, and its own past performance. Overall, DeKalb High School shows strong academics and graduation rates, with attendance as the main area for improvement.
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