Summary:
ZIP code 60927 has two schools in Central High School and John L. Nash Middle School, both part of Central CUSD 4: Central serves grades 9–12 and enrolls 298 students, while Nash serves grades 5–8 and enrolls 278. The clearest overall finding is that results vary substantially by grade and subject: Nash’s all-grades middle-school results are above state rates, while Central’s grade 10 results are well below them.
Nash stands out for 2025–2026 all-grades results, with ELA 7 percentage points above the state and math 1 point above. Central’s strongest reported results were in grade 11 ACT: ELA was 7 points above the state and science 6 points above, though math was 4 points below. Central’s clearest weak spot was grade 10 PreACT, where ELA, math and science were each 14 to 16 points below state rates. Within Nash, seventh-grade ELA was also an exception, 7 points below the state, despite above-state ELA in grades 5, 6 and 8.
Recent trends offer a mixed picture for families comparing the schools. From 2024–2025 to 2025–2026, Nash’s all-grades ELA rose 12 points and math rose 5; Central’s grade 11 ACT results rose 8 points in ELA, 8 in math and 12 in science, while its grade 10 PreACT results fell 7 to 15 points across subjects. SchoolDigger’s statewide percentile for Central declined from 65 to 52 over the listed three years, while Nash’s rose from 52 to 55; both received three stars in 2025–2026. Their student-teacher ratios were similar in 2024–2025—11.9 at Central and 11.3 at Nash—and their free/reduced lunch eligible shares were 38% and 41%, respectively, that school year; these are context, not explanations for results.
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