Summary:
Lemont Township High School is the only school in Lemont Township HSD 210 in this data set, serving 1,284 students in grades 9–12. Its broader outcomes also compare favorably with statewide figures: the 2025–2026 graduation rate was 98%, versus 90% statewide, and chronic absenteeism was 10%, versus 24% statewide. Most importantly, all nine reported 2025–2026 test results were above the state figures, by 21 to 32 percentage points.
Because it is the only school listed, Lemont is both the top and bottom school in this group by default; there is no meaningful school-to-school comparison. Against the state, however, it stands out across every reported grade and subject: the smallest lead was 21 points in grade 9 English Language Arts, and the largest was 32 points in grade 9 math. Across all nine results, its average advantage was 27 points. SchoolDigger gives the school five stars. These results point to broad strengths, rather than an advantage limited to one subject or grade.
The two-year test pattern is mixed, even though the school’s overall lead over the state remained large: its average gap widened only slightly, from 26 to 27 points, while six of nine individual gaps narrowed. Grade 9 science was the clearest exception, improving by 9 points as the state result fell by 3 points; its lead grew from 18 to 31 points. SchoolDigger’s ranking improved from 43rd of 697 in 2023–2024 to 27th of 620 in 2025–2026, and its reported percentile rose from the 94th to the 96th; the ranking pools changed in size. For context, the school reported a student-teacher ratio of 15 and 17% free/reduced lunch eligible in 2024–2025.
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