Summary:
Henry, Illinois, has two schools serving preschool through grade 12: Henry-Senachwine Grade School (PK–8) and Henry-Senachwine High School (grades 9–12). Their results show different strengths rather than one school leading across the board. The clearest overall finding is that Grade School’s 2025–26 all-grades ELA and math results were below state rates, while its 5th- and 8th-grade science results were above them.
Grade School stands out in science: 5th-grade proficiency was 57% versus 48% statewide, and 8th-grade proficiency was 61% versus 52%. Its all-grades ELA was 45% versus 56% statewide, and math was 27% versus 40%. The lowest grade-level result was 5th-grade ELA, at 34% versus 55% statewide. High School had notable strengths in 9th-grade ELA (66% versus 62% statewide), 11th-grade ELA (55% versus 50%), and 9th-grade science (58% versus 47%). Its clearest low result was 10th-grade science: 30% versus 48% statewide. These are grade- and subject-specific comparisons, not a direct ranking of the schools.
Recent changes were mixed: Grade School’s all-grades ELA fell 3 percentage points from the prior year, while math rose 4 points; its science results also increased in both tested grades. High School’s 9th-grade PreACT ELA rose 15 points, but 10th-grade science fell 6. SchoolDigger ranked Grade School at the 30th percentile in 2025–26, down 8 percentile points from 2023–24; High School reached the 56th percentile, up 32 points. For additional context, in 2024–25, 51% of Grade School students and 47% of High School students were free/reduced lunch eligible; student-teacher ratios were 13.4 and 8.3, respectively. Some scores are not published, and the schools serve different grades and use different tests, limiting direct school-to-school comparisons.
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