Summary:
Greendale Middle is the only middle school in the Greendale School District, serving grades 6–8 with 617 students in Greendale, WI. Because it is the district's sole middle school, district middle-level test results are identical to the school's. The broader district is highly rated: 41st of 432 districts in Wisconsin, a 91st-percentile, 5-star district. Greendale Middle itself holds a 4-star rating and ranks 162nd of 643 middle schools, or the 75th percentile. It has remained in the top quartile for three years, though its percentile slipped from 83 in 2024–2025 to 75 in 2025–2026.
Academically, the school is above the Wisconsin average in 7 of 8 tested grade-subject areas in 2025–2026. English language arts is the strongest area, with all three grades above state by double digits: 6th grade at 69.50% proficient versus the state's 54.95% (+14.55 points), 7th grade +11.67, and 8th grade +11.28. Eighth-grade science is 64.14% versus 51.86% statewide (+12.28), social studies is 71.72% versus 64.63% (+7.09), 7th-grade math is +12.80, and 8th-grade math is +7.44. The only area below state is 6th-grade math, at 53.00% versus 53.60% — just 0.60 points behind.
There are watch items. Sixth-grade math fell 10.40 points year over year, 8th-grade ELA fell 8.61 points, 8th-grade math fell 8.94 points, and 7th-grade ELA fell 5.22 points. Science was the only subject to improve, gaining 2.79 points. Across all eight areas, the school averaged about 65.1% proficient versus the state's 55.5% — a +9.6 point advantage that has narrowed from +14.4 points the prior year. Outside the classroom, results are outstanding: chronic absenteeism is 4.4%, well below the district's 7.4% and the state's 17.3%, and the dropout rate is 0.0% versus 1.1% statewide. About 27.07% of students qualify for free or reduced lunch, per-student spending is $14,757, and the student-teacher ratio is 14.2.
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