Summary
Lewis School serves 325 students in grades 4–5 in Carbondale, Illinois, in Carbondale Education Service District 95. Its latest results show ELA above the district’s all-grades result but math slightly below it, with both subjects below state results. The most pressing academic concern is math: in 2025–2026, 13% of students were proficient, compared with 40% statewide and 14% in the district.
Compared with nearby schools, Lewis School trails peers in both tested grades and subjects. In fourth-grade math, its 13% proficiency was 34 points below the average at nearby schools with results; in fifth-grade math, its 13% was 16 points below the peer average. ELA is a relative strength against the district: the all-grades result was 38%, versus 33%. Still, fourth-grade ELA was 26 points below nearby peers, and fifth-grade ELA was 21 points below them. Science is its strongest subject relative to the state: fifth-grade proficiency was 35%, 13 points below the state and the nearby-school average. Attendance is another concern: chronic absenteeism was 34%, compared with 24% statewide and a 20% average at nearby schools.
ELA has improved, rising from 23% in 2023–2024 to 38% in 2025–2026, a 15-point gain, though the gap with the state remains. Math rose from 10% to 13% over the same period, after reaching 15% in 2024–2025; its gap with the state widened by 9 points. SchoolDigger ranked Lewis School at the 11th percentile with 1 star in 2025–2026, down from the 28th percentile in 2023–2024 and the lowest percentile among five nearby schools with current ranking data. Its student-teacher ratio was 13.3:1 in 2024–2025, close to the nearby average of 13.0:1; its free/reduced lunch eligible rate was 72% that year, 4 points above the nearby average. SchoolDigger’s 2024–2025 subgroup rankings show particularly strong standing for English Language Learner students, at the 84th percentile compared with the school’s overall 19th percentile. Special Education students ranked at the 8th percentile that year, also below the overall ranking.
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