Summary:
Zip code 62539’s supplied list includes two schools in Sangamon Valley CUSD 9: Sangamon Valley Intermediate School, serving grades 3–5, and Sangamon Valley Middle School, serving grades 6–8; no high school is listed. In 2025–2026, the Intermediate school’s all-grades results were 62% in ELA and 54% in math, compared with 51% and 21% at the Middle school. The most important finding is the sharp difference between the schools, particularly in math: a 32-point gap.
Sangamon Valley Intermediate School stands out overall, with results 6 points above the state in ELA and 14 points above in math; Sangamon Valley Middle School was 5 points below the state in ELA and 18 points below in math. The Intermediate school’s fifth graders were especially strong: 76% were proficient in ELA and 57% in math, each about 21 points above state results. The Middle school’s clearest weak spot was seventh grade: ELA was 36% versus 58% statewide, and math was 20% versus 40%. Its sixth- and eighth-grade ELA results were around the state level or slightly above.
Recent trends are mixed: ELA fell by about 3 points at each school from 2024–2025 to 2025–2026, while the state result rose by 3 points; math rose by 2 points at the Middle school and 1 point at the Intermediate school. SchoolDigger’s latest percentiles also fell from the prior year—36 at the Middle school and 65 at the Intermediate school—but remained above their 2023–2024 levels. Context differs too: in 2024–2025, the Intermediate school’s student-teacher ratio was 16.4 versus 11.1 at the Middle school, and its free/reduced lunch eligible share was 67% versus 63%; 2025–2026 chronic absenteeism was lower at the Intermediate school, 6% versus 18%. These are descriptive contrasts, not explanations for test results.
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