Summary:
Zip code 60560 has eight schools in Yorkville CUSD 115: five elementary schools, two middle schools and one high school, serving students from elementary through high school. The clearest strength is elementary ELA, where average results across Grades 3–6 were 8 percentage points above state results; math was less consistent, and results varied considerably among schools. The most important finding for families is that achievement depends strongly on the school, grade and subject—not simply the ZIP code.
Grande Reserve Elementary led third grade, with 66% proficient in ELA and 69% in math—19 and 20 points above state rates. Bristol Bay Elementary stood out in upper elementary grades, leading fourth-grade ELA and math at 76% and 64%, and sixth-grade ELA and math at 79% and 55%. Results were not uniformly high: Autumn Creek Elementary had the lowest third-grade math result, 34%, while Circle Center Grade School had 44% in third-grade ELA, 4 points below the state. At Yorkville Middle School, eighth-grade math was 27%, 7 points below the state. Yorkville Grade School was a bright spot in third grade, with ELA and math 14 points above state results.
Recent changes also differ by school: across seven schools, the average all-grades ELA result rose from 54% to 60% between 2024–25 and 2025–26, while math was nearly unchanged, moving from 47.0% to 46.8%. Grande Reserve improved in both subjects, while Circle Center fell 8 points in ELA and 13 in math. SchoolDigger’s 2025–26 state percentiles were 66 for Bristol Bay, 65 for Grande Reserve, 43 for Yorkville Middle and 40 for Autumn Creek. As context, 2024–25 free/reduced lunch eligible figures were 30% at Bristol Bay and 38% at Yorkville Grade; Yorkville Intermediate had no reported measure. These figures provide context, not an explanation of achievement.
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