Summary:
The three schools in Wood River-Hartford Education Service District 15 enroll 579 students across two elementary schools and one junior high serving grades 6–8; the list includes no high school. In 2025–2026, all-grades ELA averaged 45%, compared with 56% statewide, and reported math averaged 29% at the two schools with results, versus 40% statewide. The central finding is that reported achievement is below state levels in both subjects: the gaps are 11.3 points in ELA and 10.6 points in math.
Lewis-Clark Junior High School had the highest reported all-grades ELA score at 47%, followed by Hartford Elementary School at 45% and Lewis-Clark Elementary School at 43%; all were below the state result. Lewis-Clark Elementary led the schools with reported math, at 36% compared with 22% at the junior high, while Hartford’s math result was suppressed. Lewis-Clark Elementary’s fifth-grade ELA is a bright spot: 57.7%, or 2.8 points above the state; the junior high’s eighth-grade science is a concern, at 25.5%, or 26.4 points below the state. All-grades comparisons are broad because the schools serve different grade spans, and Hartford’s math result is not available.
ELA improved overall, but the state gap barely changed: the average rose from 41.9% in 2024–2025 to 45% in 2025–2026, while the state result also rose by about 3 points. For the two schools with math results in both years, the average increased from 24.2% to 29%, and their average gap narrowed from 14.3 to 10.6 points. SchoolDigger ranks the district 643rd of 738, in the 13th percentile, with 1 star; its school percentiles also fell from 42 to 32 for Lewis-Clark Elementary and from 34 to 20 for the junior high between 2023–2024 and 2025–2026. As context, free/reduced lunch eligible shares in 2024–2025 were 80% at Lewis-Clark Elementary and 73% at each of the other schools; student-teacher ratios ranged from 9.7 to 14.1. These measures offer context, not an explanation for test results.
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