Summary:
ZIP code 53129 in Greendale, Wisconsin, has five public schools—three elementary, one middle, and one high school—all part of the Greendale School District, which ranks 41st of 432 districts (91st percentile, 5 stars). Total enrollment is 2,458 students. Canterbury Elementary is the standout: it ranks 57th of 1,039 elementary schools (95th percentile, 5 stars), with the lowest chronic absenteeism (2.3%) and lowest free/reduced-lunch rate (20.57%). Its 5th grade math is 88.06% vs. 51.81% state, and 4th grade social studies is 87.5% vs. 65.51% state.
College Park Elementary has the highest FRL rate (33.7%) but posts the single highest test figure, 3rd grade math at 89.74%, though its 5th grade math fell to 60%. Highland View Elementary improved from 67th percentile and 3 stars in 2023-24 to 86th percentile and 4 stars in 2025-26, but its latest 4th grade social studies and science fell closer to state averages. Greendale High has a 99.5% graduation rate and 0.4% dropout rate, with all tests above state, but chronic absenteeism is 13.2%—highest in the ZIP. Greendale Middle has 0.0% dropout and 4.4% chronic absenteeism, though its rank slipped to 75th percentile and its 6th grade math (53%) is the only 2025-26 test below state (53.6%).
Across 36 listed 2025-26 tests, 35 are above state; in 2024-25 all 36 were above state. Every school ranks at or above the 75th percentile. Per-student spending ranges from $14,757 at Greendale Middle to $18,585 at Highland View, and student-teacher ratios range from 11.3 at College Park to 15.0 at Greendale High. Spending and class size do not show a simple relationship with outcomes: Canterbury has the lowest elementary spending and highest elementary ratio yet is top-ranked. Subject-level variability matters, especially College Park’s 5th grade math, Highland View’s 4th grade social studies/science, and Greendale Middle’s 6th grade math.
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