Summary:
Jacksonville School District 117 has one listed high school, Jacksonville High School, serving grades 9–12 with 890 students. In 2025–2026, the school was below state results in all nine reported ACT and PreACT subject-and-grade comparisons. The clearest concern is mathematics: its average gap from the state was 9 percentage points, the widest of the three subjects.
There is no school-to-school leader or trailer in this area because Jacksonville is the only school listed. Within the school’s results, science was the relative strength: its average science score was 44%, compared with 48% statewide, a 4-point gap. The average gaps were 6 points in English language arts and 9 in math. Across individual comparisons, the school trailed the state by 2 to 10 points; even its closest result, grade 9 PreACT science, was 45% versus 47% statewide. Its overall average across the nine comparisons was 41%, compared with 47% for the state.
Results improved most in grades 9 and 10, while grade 11 ACT results did not show the same progress. Grade 9 PreACT scores rose 11 points in English language arts, 14 in math and 10 in science from the prior year; grade 10’s gaps narrowed in all three subjects. SchoolDigger ranked Jacksonville 366th of 620 schools, in the 41st percentile with two stars in 2025–2026, up from 454th of 698 and the 35th percentile a year earlier, but still below its 49th-percentile position in 2023–2024. Attendance is another concern: chronic absenteeism was 29%, compared with 24% statewide and 23% in the district. Graduation was 88% versus 90% statewide; dropout rates were 2.0% and 2.3%, respectively. As context, the school’s 2024–2025 student–teacher ratio was 12.9, and 54% of students were free/reduced lunch eligible that year.
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