Summary:
Zip code 61729 has one elementary school, Congerville Elementary School, serving kindergarten through grade 4; it enrolls 97 students and had a 16.8:1 student-teacher ratio in 2024–2025. Although families have no other listed school to compare, Congerville’s latest results are well above state averages: 89% proficient in English Language Arts (ELA) and 87% in mathematics, compared with 56% and 40% statewide. Its largest advantage is in mathematics, where it was 47 percentage points above the state in 2025–2026.
Congerville is both the highest- and lowest-scoring school in this list by default, so that is not a meaningful local ranking. It also exceeded Eureka CUD 140 by 13 points in ELA and 25 points in mathematics in 2025–2026. The school’s grade 3 and 4 results were also above state rates in both subjects: ELA proficiency was 91% in grade 3 and 86% in grade 4; mathematics was 87% and 86%, respectively.
Results moved in different directions by subject: from 2024–2025 to 2025–2026, Congerville’s mathematics proficiency rose 12 points, from 74% to 87%, while ELA declined 4 points, from 94% to 89%. Its advantage over the state grew by 11 points in mathematics but narrowed by 8 points in ELA. SchoolDigger ranked the school 36th of 1,737 statewide for 2025–2026, in the 98th percentile with five stars; it ranked 84th of 2,056 (96th percentile, five stars) the prior year. Other context: 6% of students were free/reduced lunch eligible in 2024–2025, and 2025–2026 chronic absenteeism was 0%, compared with 11% for the district and 24% statewide. These measures describe the school but cannot be compared with another school in this zip code.
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