Argo CHSD 217

Argo CHSD 217 has one listed school, Argo Community High School, serving grades 9–12 and enrolling 1,817 students. The clearest overall picture is that test results are below Illinois’s in all nine subject-and-grade comparisons for 2025–2026: across those results, the school averaged 44%, compared with 47% statewide, a 4-point gap.

Argo Community High School is both the highest- and lowest-performing school in this list because it is the only one; there is no meaningful school-to-school comparison. Its largest current gap was in grade 11 science, at 40% compared with 48% statewide, or 8 points below. Grade 11 ELA was 44% versus 50% statewide, while math was 38% versus 40%. The smallest gap was in grade 10 math: 35% versus 36%, or 1 point below. Outside testing, the school’s chronic absenteeism rate was lower than the state rate—21% versus 24%—and its 90% graduation rate was slightly above the state’s 90%.

Results improved overall from the prior year, though gains varied by grade and subject. The average test-score gap narrowed from 6 points in 2024–2025 to 4 points in 2025–2026. Grade 10 showed the strongest progress: ELA rose 6 points, math 9 points, and science 8 points, while the state-relative gaps narrowed in all three subjects. Grade 9 science moved the other way, falling 9 points, and its gap with the state widened by 5 points. SchoolDigger ranked the district 314th of 620 in 2025–2026, at the 49th percentile; that was 4 percentile points below 2024–2025 but 7 points above 2023–2024. Context figures include a student-teacher ratio of 14.7 in 2024–2025 and 65% of students free/reduced lunch eligible in 2024–2025.