Summary:
Schools in zip code 61727 comprise five schools in Clinton CUSD 15, serving 1,765 students from PK through grade 12; Lincoln and Douglas Elementary serve PK–1, and the supplied data include no test scores for them. The strongest overall concern is math: Clinton Junior High School had 22% proficient in all-grades math in 2025–26, compared with 40% statewide, an 18-point shortfall, while fifth-grade math at Clinton Elementary School was 15% versus 36%, a 21-point gap.
Clinton Elementary stands out for strong third-grade results as well as a sharp fifth-grade weakness: third-grade ELA was 72% versus 48% statewide, 25 points higher, and math was 65% versus 49%, 16 points higher. At the junior high, math proficiency was below the state in grades 6, 7 and 8, with the largest gap in grade 8 at 19 points. High school results differ by grade and test: Clinton High School grade 10 PreACT ELA was 56%, 2 points above the state, while grade 11 ACT ELA was 37% versus 50%, and ACT math was 23% versus 40%. Science was also below the state at the junior high and high school; the exception was Clinton Elementary’s fifth grade, 51% versus 48%.
Recent K–8 results show more encouraging movement in ELA than in math. From 2024–25 to 2025–26, the all-grades ELA state gap improved from 4 points above to 6 points above at Clinton Elementary and from 2 points below to 1 point above at the junior high; math remained below state results at the junior high. SchoolDigger ranks Clinton Elementary at the 53rd percentile (3 stars), Clinton High at the 30th (1 star) and Clinton Junior High at the 29th (1 star) in 2025–26; all three have fallen in percentile over the past three reported years. Across the five schools, student–teacher ratios range from 10.9 to 12.7, and free/reduced lunch eligible rates for 2024–25 range from 48% to 54%. Clinton High also reports 26% chronic absenteeism, 3 points above the state rate, and an 81% graduation rate, 9 points below the state.
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