Summary:
ZIP code 61041 has three schools serving preschool through grade 12: River Ridge Elementary School (PK–5, 224 students), River Ridge Middle School (grades 6–8, 91 students), and River Ridge High School (grades 9–12, 128 students). Most reported 2025–26 test results were above state benchmarks, but performance varies by subject and grade. The clearest caution is at Middle: grade 8 science fell to 40%, 12 points below the state, after being 19 points above it the year before.
The schools stand out in different areas rather than one leading across the board. Elementary had the strongest all-grades math result among the two IAR schools, at 59%, 19 percentage points above the state; its ELA result was 64%, 8 points above. Middle led in all-grades ELA, with 73% proficiency compared with 64% at Elementary, and was 16 points above the state; its math result was 43%, just 3 points above. In grade 11, High was above state ACT results in ELA by 7 points, math by 12, and science by 9. Middle’s grade 8 science result was the clearest low point. All-grades and cross-school comparisons are indicative rather than direct rankings because the schools serve different grades and use different tests.
Recent trends are mixed: Elementary and Middle remained above state results, but their all-grades advantages narrowed from 2024–25 to 2025–26 in both ELA and math. Middle’s grade 8 science proficiency dropped 25 points; High’s grade 11 ACT scores, by contrast, rose by 17 points in ELA, 12 in math, and 10 in science, while its grade 9 and 10 PreACT results varied by subject. SchoolDigger placed Elementary and High in the 72nd percentile statewide and Middle in the 66th for 2025–26; Middle had been in the 90th percentile the prior year. For 2024–25, free/reduced lunch eligible shares were 52% at Elementary, 52% at Middle, and 37% at High. Student-teacher ratios were 11.4, 10.7, and 8.4, respectively; these are useful context, not explanations for test results.
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