Summary:
Lake Bluff has two listed public schools serving prekindergarten through grade 8: Lake Bluff Elementary School (PK–5, 572 students) and Lake Bluff Middle School (grades 6–8, 305 students). The clearest area-wide finding is that both schools exceeded Illinois results in every reported grade and subject in 2025–2026, with grade-matched advantages ranging from 17.8 to 34.9 percentage points.
Lake Bluff Middle had the higher all-grades ELA result: 84%, compared with 78% at Lake Bluff Elementary, a 6-point difference. Elementary was higher in all-grades mathematics, at 68% versus Middle’s 63%, a 5-point difference. Their strongest grade-level results also differed: Elementary reached 85% in grade 5 ELA and 72% in grade 3 mathematics, while Middle reached 87% in grade 8 ELA and 75% in grade 7 mathematics. The schools serve different grades, so their all-grades figures are descriptive rather than a direct, grade-matched comparison.
Elementary’s results improved more year over year: from 2024–2025 to 2025–2026, its all-grades ELA and mathematics each rose 7 percentage points; Middle rose 2 points in ELA and 1 in mathematics. Science was a notable exception to the generally strong pattern: Elementary grade 5 science rose 19 points to 72%, while Middle grade 8 science fell 3 points to 69%. SchoolDigger ranks Elementary 202 of 1,737 schools (88th percentile, 4 stars) and Middle 122 of 1,126 (89th percentile, 4 stars); those rankings use different school counts. As context, 2021–2022 free/reduced lunch eligible shares were 11% at Elementary and 17% at Middle, and 2024–2025 student–teacher ratios were 11.0 and 9.9, respectively.
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