Summary:
Dupo, Illinois, has three schools serving preschool through grade 12, with 884 students combined: Bluffview Elementary School serves preschool–6, Dupo Junior High School serves grades 7–8, and Dupo High School serves grades 9–12. The clearest area-wide pattern is stronger English results than math at the two schools reporting IAR scores; the high school’s ACT results are below Illinois in all three 11th-grade subjects. Most importantly, both IAR schools are above the state in all-grades ELA but below it in math.
Dupo Junior High School has the strongest reported all-grades IAR ELA result: 68% proficient in 2025–2026, compared with 59% at Bluffview Elementary School and 56% statewide. Bluffview Elementary School stands out in grade 5 science, at 66% versus 48% statewide. Math is the weak spot at both IAR schools, especially Bluffview: 30% there and 36% at Junior High, against 40% statewide. At Dupo High School, 11th-grade ACT results were 35% in ELA, 30% in math, and 30% in science, respectively 15, 10, and 18 percentage points below state results. A notable exception is its 9th-grade PreACT ELA: 62.1% versus 61.5% statewide.
Recent changes are mixed: Bluffview’s all-grades ELA rose 6 percentage points, but its math fell 8; Junior High’s ELA rose 1 point and math rose 6. SchoolDigger’s 2025–2026 rankings place Bluffview at the 45th percentile, Junior High at the 51st, and Dupo High at the 26th; Bluffview and Junior High each fell 13 percentile points from the prior year. These rankings compare schools within different statewide school groups, not directly with one another. The 2024–2025 free/reduced lunch eligible measure was 68% at Bluffview, 73% at Junior High, and 67% at Dupo High; reported student-teacher ratios were 12.9, 9.4, and 10.8, respectively. These are useful context, not explanations for the schools’ results.
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