Summary:
Northbrook/Glenview School District 30 has three schools serving elementary and middle school grades: Wescott Elementary School and Willowbrook Elementary School serve elementary students, while Maple School serves middle school students. In 2025–2026, all three had high All Grades results: their average was 91% in ELA and 89% in math, compared with 56% and 40% statewide. The most important takeaway is that even the lowest school result in each subject was far above the state result.
Wescott and Maple tied for the highest All Grades ELA score at 91%, while Willowbrook scored 89%. In math, Wescott led at 91%, just ahead of Willowbrook at 90%; Maple was lower at 87%. Grade results add important detail: Wescott led the elementary schools in grade 3 math by 8 points, while Willowbrook led grade 5 science by 3 points. Maple had the lowest broad math result, but its grade 8 science score was 91%.
Results rose overall from 2024–2025 to 2025–2026, though not at every school: Wescott gained 6 points in ELA and 4 in math, and Willowbrook gained 4 and 5 points; Maple’s ELA dipped 1 point while its math rose 1. SchoolDigger rated all three in the 99th percentile with five stars. Willowbrook also had the lowest chronic absenteeism, 2%, compared with 7% at Wescott and 10% at Maple. The reported free/reduced lunch eligible shares were 1% at Willowbrook, 4% at Wescott and 4% at Maple (2021–2022); these are context, not an explanation for school results. Ratios were similar, from 10.2 students per teacher at Willowbrook to 10.9 at Wescott. Because the schools serve different grades, All Grades scores are broad comparisons rather than same-grade comparisons.
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