Summary:
ZIP code 46721 contains one high school, Eastside Junior-Senior High School, which serves grades 7–12 in Butler, IN and belongs to the DeKalb County Eastern Com School District. Because it is the only high school in the ZIP, it is the entire local high-school picture. The school enrolls 559 students, and its data mixes junior-high ILEARN results for grades 7 and 8 with high-school SAT and Biology end-of-course results, so “All Grades” figures are not purely high-school scores.
For parents, the strongest signals are the graduation rate and middle-grade performance. The graduation rate was 98.8% in 2024–25, matching the district and well above Indiana’s 89.7%. In 2025–26, 8th grade ELA was 51.11% proficient, above the district’s 47.92% and the state’s 44.0%. 7th and 8th grade math were 43.68% and 43.33%, above district and well above state rates of 35.9% and 34.2%. Biology EOC was 60.92%, above the district’s 58.24%. ILEARN ELA rose from 37.79% to 44.07% and Math from 40.12% to 43.5%, while Biology EOC gained 14.04 points. The school’s rank improved from 226 of 432 in 2023–24 to 140 of 429 in 2024–25, then slipped to 196 of 415 in 2025–26, still 3 stars and the 53rd percentile.
The main concerns are attendance and SAT results. Chronic absenteeism was 19.3% in 2024–25, above the district’s 14.6% and the state’s 16.7%, meaning nearly 1 in 5 students missed enough school to be academically at risk. SAT ERW was 38.04% and SAT Math was 18.48% in 2025–26, below the state’s 51.9% and 25.6%; both fell sharply from 2024–25. Context: 45.08% of students qualify for free/reduced lunch, per-student spending was $16,173, and the student-teacher ratio is 12.7. Overall, the school shows strong graduation and middle-grade math/ELA, but weaker college-readiness and attendance signals to watch.
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