Summary:
Saint Charles, Illinois, has 12 schools in St Charles CUSD 303: eight elementary schools, two middle schools and two high schools, serving students from elementary through high school. In 2025–2026 results, school averages were above state figures in the reported ELA and math comparisons at all three levels. The most important finding for families is that elementary results vary widely: the schools’ scores span 40 percentage points in ELA, 36 in math and 42 in fifth-grade science.
Ferson Creek stands out in elementary ELA and science, with 93% and 83% proficient; Bell-Graham leads elementary math at 84%. Ferson also has the highest SchoolDigger ranking in the list, at the 99th percentile. At the other end, Richmond has the lowest elementary ELA and math results—53% and 48%—while Anderson has the lowest fifth-grade science result, at 41%. Among high schools, St Charles North leads St Charles East in all three ACT subjects, by 9 points in ELA, 17 in math and 10 in science. Middle-school leadership is split: Thompson leads in ELA and science, while Wredling leads in math.
Recent changes are mixed: across seven elementary schools with results in both years, average ELA rose 1 point and science rose 4, while math fell 1; state results improved faster in ELA and science. SchoolDigger rankings also moved in different directions: Ferson rose from the 98th to the 99th percentile between 2023–2024 and 2025–2026, while Richmond fell from the 79th to the 50th. Income measures offer context, not an explanation: free/reduced lunch eligible figures for 2024–2025 range from 8% at Bell-Graham to 50% at Richmond. East also has notably high chronic absenteeism, at 32%, compared with 15% districtwide, yet its ACT proficiency remains above state results in all three subjects.
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