Summary:
ZIP code 60645 has five elementary schools, all serving through grade 8; four begin in pre-K, while Decatur Classical Elementary School begins in kindergarten. Results vary sharply across the area: the five-school average is 58% proficient in ELA and 48% in math, compared with state rates of 56% and 40%. But without Decatur, the other four average 48% in ELA and 36% in math, below the state in both. The most important takeaway is that Decatur alone lifts the area-wide averages above state levels; most listed schools do not match those averages.
Decatur Classical is the clear achievement leader, with 99% proficient in ELA and 96% in math—42 and 57 percentage points above the state, respectively. At the other end, Mosaic School of Fine Arts has the lowest results in both subjects, at 32% in ELA and 25% in math, or 24 and 15 points below the state. Among the other schools, Rogers Elementary School leads in ELA at 56%; Rogers and Armstrong G Elementary International Studies are nearly tied in math at about 41%. Rogers also leads the non-Decatur schools in science: 50% in grade 5 and 47% in grade 8.
Recent progress is mixed: ELA proficiency rose by 10 points at West Ridge Elementary School and 3 points at Decatur, while it fell at Armstrong, Rogers, and Mosaic; the five-school average was essentially unchanged as the state improved by 3 points. SchoolDigger ranked Decatur 4th of 1,737 schools, in the 100th percentile with five stars, in 2025–2026; its percentile ranking was 100 in all three years. Other schools’ percentiles generally declined over that period, including Rogers from 70 to 45 and Mosaic from 36 to 13. Context measures do not show a simple pattern: in 2024–2025, free/reduced lunch eligible shares ranged from 12% at Decatur to 89% at Mosaic, while student-teacher ratios ranged from 13.2 at West Ridge to 14.8 at Decatur. Decatur also had 7% chronic absenteeism, compared with 27% to 39% at the other schools.
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