Summary:
ZIP code 47355 is served by a single elementary school: Randolph Southern Elementary School, a K–6 school in Lynn with 268 students, part of Randolph Southern School Corp. Because it is the only elementary school in the ZIP code, there are no local peers to compare against, so the most useful benchmarks are the district, the state, and the school's own prior years.
The headline for parents is steady improvement. The school's state rank has climbed from 394 of 1,011 schools in 2023–2024 to 329 of 1,005 in 2024–2025 and 284 of 1,015 in 2025–2026, lifting it from the 61st to the 72nd percentile and from 3 stars to 4 stars. That is a gain of 110 rank positions in three years. Math is the strongest core subject: all-grade math proficiency is 54.33% versus 45.64% in the district, and grades 4 and 5 math are especially high at 67.86% and 60%, outperforming the state by double digits. Science and social studies are bright spots too — grade 4 science is 53.57% against 43.8% statewide, grade 6 science is 53.33% against 41.2%, and grade 5 social studies is 57.5% against 47.2%. Chronic absenteeism is just 8.3%, well below the district's 10.6% and less than half the state's 16.7%.
Areas to watch are concentrated in the early grades. Grade 3 ELA is 34.48% and grade 3 math is 48.28%, both below state averages, while grade 6 math is essentially at the state level. ELA generally trails math, with all-grade ELA at 44.88% versus 54.33% in math for 2025–2026 — though ELA did improve by 4.23 percentage points year over year, and science rose 4.22 points. Note that several district grade-level figures match the school's exactly, so they are not an independent benchmark, and state all-grade ELA, math and science values are not provided for 2025–2026, meaning comparisons must be made grade by grade.
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