Summary:
Carrollton CUSD 1 has one high school, Carrollton High School, serving grades 9–12, with 180 students. As the only high school in the area, it cannot be compared with other local schools in this set. In 2025–2026, graduation and attendance were better than the state figures, but the most important concern is that grade 11 ACT ELA and math proficiency trailed Illinois by 13 and 12 percentage points, respectively.
Carrollton High School’s strongest results were grade 9 ELA and grade 11 science: 71% of grade 9 students were proficient in ELA, compared with 62% statewide, and grade 11 science proficiency was 50% versus 48%. The largest shortfalls were in grade 11 ACT ELA, at 37% versus 50%, and math, at 28% versus 40%. Grade 9 math and PreACT science were also below state results. The state suppressed the grade 10 PreACT math result, so there is no reported school figure to compare. Outside testing, graduation was 93% versus 90% statewide, and chronic absenteeism was 21% versus 24%.
Results over time are mixed: PreACT ELA improved in both grades, from 65% to 71% in grade 9 and from 43% to 54% in grade 10, while grade 9 math rose from 28% to 36%. PreACT science moved the other way, falling from 43% to 38% in grade 9 and from 54% to 39% in grade 10. ACT ELA and math also declined year over year, while ACT science rose from 46% to 50%. SchoolDigger ranked the school 330th of 620 schools (47th percentile, 2 stars) in 2025–2026, down from 252nd of 698 (64th percentile, 3 stars) the prior year. The student-teacher ratio was 10:1, and 39% of students were free/reduced lunch eligible in 2024–2025; these figures provide context, not an explanation for academic results.
Thank you for your feedback!