Summary:
ZIP code 54840 in western Wisconsin contains exactly one middle school: Grantsburg Middle, a grades 4–8 school with 278 students in the Grantsburg School District. Because it is the only middle school in the area, there is nothing to compare it against locally — so the useful comparisons are against its own district and against the state of Wisconsin.
Academically, Grantsburg Middle is a bright spot. It scored above its district in all 28 listed Forward Exam comparisons across 2024–2025 and 2025–2026, and above the state in 24 of those 28. Social Studies is the flagship subject, averaging about 82.7% proficiency in 2024–2025 versus roughly 63.1% statewide, with 4th grade Social Studies at 87.23% that year and 80.33% in 2025–2026. Math and Science were also strong, including 4th grade Math at 80.85% in 2024–2025 (state: 53.96%) and 8th grade Science at 74.55% (state: 50.04%). The school ranked 78th percentile with 4 stars in 2024–2025, then 65th percentile with 3 stars in 2025–2026 — still well above the district's 30th percentile, 2 stars.
Two areas need attention. Sixth grade is the clearest 2025–2026 concern: ELA at 44.83% and Math at 46.55% are the only tests below state that year, a sharp drop from 69.09% in both subjects the year before. Science also slipped, from a 74.5% average in 2024–2025 to 65.1%. Chronic absenteeism, at 14.5%, is better than the state's 17.3% but more than double the district's 6.0%. With 39.93% of students on free/reduced lunch and a 12:1 student-teacher ratio, the school's above-state results in most subjects are notable — and its improvement targets are clear.
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