Summary:
Flossmoor School District 161 has five schools—four elementary schools and one junior high—serving elementary and middle grades, with no high school, and enrolls 2,302 students. The clearest takeaway is that results vary widely by school: 2025–2026 All Grades ELA scores span 26 percentage points, from 70% at Western Avenue Elementary School to 44% at Serena Hills Elementary School.
Western Avenue and Flossmoor Hills Elementary School lead in All Grades ELA, at 70% and 69%; Heather Hill Elementary School is at 48%, and Serena Hills is at 44%. In mathematics, Flossmoor Hills leads at 54%, followed by Western Avenue at 52%, while Parker Junior High School is lowest at 27%; the state result is 40%. Grade-level results reinforce these contrasts: Flossmoor Hills’ fourth graders score 82% in ELA and 66% in math, versus state results of 56% and 42%. Parker’s eighth-grade ELA and science results are stronger than the state’s—72% versus 63% in ELA and 56% versus 52% in science—but its math results are below the state in all three grades.
Over time, science shows the clearest improvement: fifth-grade science rose at every school, and the elementary-school average climbed from 33% to 47%, nearly matching the state’s 48%. By contrast, the five-school ELA average slipped from 59% to 58% while the state rose from 53% to 56%; the math average stayed near 40% as the state moved from 39% to 40%. SchoolDigger’s statewide percentile rankings also declined at all five schools over the three years shown, including a drop from 54 to 27 at Serena Hills and 79 to 70 at Western Avenue. As context, the elementary schools’ 2024–2025 free/reduced lunch eligible shares ranged from 39% at Western Avenue to 74% at Serena Hills; reported student-teacher ratios ranged from 12.4 at Parker to 15.9 at Western Avenue. These measures do not sort schools into a consistent performance order.
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