Summary:
Evergreen Park CHSD 231 has one listed school, Evergreen Park High School, serving grades 9–12 with 941 students. There are no other area schools to compare, so the key picture is how its results compare with state results across grades and subjects. In 2025–2026, the school was above the state in all three English language arts (ELA) comparisons, while math results varied sharply by grade. The most important takeaway is that strong grade 11 math results do not reflect the school’s younger-grade math performance.
Evergreen Park High School’s strongest state-relative result was grade 11 ACT math: 52% proficient, 12 percentage points above the state’s 40%. Its clearest relative weakness was grade 9 PreACT math, at 34% compared with 42% statewide, an 8-point gap. ELA was consistently above the state: by 2 points in grade 9, 8 in grade 10 and 6 in grade 11. Grade 11 science was also above the state by 4 points. Graduation was 93% in 2025–2026, compared with 90% statewide. Chronic absenteeism was slightly higher: 24.0% versus 23.5% statewide, a 0.5-point difference.
Over time, all three grade 11 ACT scores increased from 2024–2025 to 2025–2026: ELA by 6 points, math by 11 and science by 11. By contrast, all six grade 9 and 10 PreACT scores declined; math fell by 4 points in grade 9 and 6 in grade 10. SchoolDigger’s rank history shows the school at the 72nd percentile in 2023–2024, 71st in 2024–2025 and 65th in 2025–2026, with 3 stars listed; its current district summary instead gives rank 281 of 738 and the 62nd percentile, so the supplied current rankings differ. The student–teacher ratio was 13.2 in 2024–2025, and 30% of students were free/reduced lunch eligible in 2021–2022; these are context, not explanations for test results.
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