Summary:
The 13 schools in Downers Grove GSD 58 include 11 elementary schools and two middle schools, with 4,811 students across the district’s elementary and middle-school grades. In 2025–2026, elementary averages were 75% in ELA, 68% in mathematics and 70% in fifth-grade science; the corresponding state figures were 56%, 40% and 48%. Middle-school averages were 85% in ELA, 62% in mathematics and 78% in eighth-grade science, compared with state figures of 56%, 40% and 52%. The most important takeaway is that every reported school-group average was above its matching state benchmark, by 18 to 29 percentage points.
Elementary results vary considerably, and different schools lead in different subjects. Hillcrest Elementary School led elementary ELA at 84%, 26 points above Indian Trail Elementary School at 58%. In mathematics, Pierce Downer Elementary School led at 79%, compared with Indian Trail’s 54%, a 25-point spread. Hillcrest also led fifth-grade science at 81%, while Indian Trail had 51%, a 30-point difference. The middle schools split by subject: O’Neill Middle School narrowly led all-grades ELA, 85.2% to Herrick Middle School’s 84.7%; Herrick led all-grades mathematics, 66% to 57%, and eighth-grade science, 81% to 75%.
Recent changes are mixed: elementary ELA rose by less than 1 point per school on average from 2024–2025 to 2025–2026, while mathematics fell by about 1 point; fifth-grade science rose by 6 points. Middle-school averages increased by 5 points in ELA and 3 in mathematics, but Herrick’s mathematics declined by 1 point even as O’Neill’s rose by 7. SchoolDigger’s statewide percentile rankings rose for Pierce Downer, from 85 to 90 to 91, and O’Neill, from 80 to 87 to 89, but fell for Kingsley Elementary School, from 85 to 76 to 63, and Indian Trail, from 72 to 76 to 59. School size and student-teacher ratios do not neatly track scores: Indian Trail’s ratio is 9.8, while Pierce Downer’s is 16.4 and it leads elementary mathematics. The elementary free/reduced lunch eligible figures are from 2021–2022: Pierce Downer reported 5%, compared with Indian Trail’s 35%; these figures provide context, not an explanation for score differences.
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