Summary:
Addison, Illinois, has one listed high school, Addison Trail High School, serving grades 9–12 and enrolling 1,847 students. Its 2025–2026 results show a mixed picture: graduation and dropout rates compare favorably with the state, but chronic absenteeism is higher than the state rate. Most importantly, every reported test result is below the matching state result, by 5 to 10 percentage points.
Because Addison Trail is the only school listed, it leads and trails the local group by default; there is no other area high school to compare directly. Its clearest strengths are graduation and dropout outcomes: 93% of students graduated, compared with 90% statewide, while its 1% dropout rate was below the state’s 2%. By contrast, chronic absenteeism was 28%, above the state’s 24%, though below the district’s 31%. Across the matched test results, the average gap was 7 points below the state. Mathematics had the smallest average shortfall, at 6 points, while science had the largest, at 8 points.
Test results improved overall from 2024–2025 to 2025–2026, but not in every grade and subject: the average change was a 2-point gain, with grade 10 improving in all three subjects, while grade 9 ELA and science and grade 11 ELA declined. On average, the gap with the state narrowed by about 3 points, although every latest result remained below the state. SchoolDigger gives Addison Trail 2 stars and ranks it 384th out of 620 statewide; its reported percentile fell from 51 in 2023–2024 to 38 in 2025–2026. The student–teacher ratio was 16.3 in 2024–2025, and 63% of students were free/reduced lunch eligible that year. Since only one school is listed, these figures do not support school-to-school comparisons.
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