Summary:
ZIP code 53220 contains nine schools serving students from kindergarten through 12th grade — six elementary schools, one middle school, and two high schools — enrolling about 5,437 students in total. The area straddles two districts: Milwaukee School District, which enrolls roughly 59.6% of students across five schools, and Greenfield School District, which enrolls about 40.4% across four schools.
Edgewood Elementary is the strongest performer in the ZIP, ranking in the 58th percentile with 3 stars in 2025-2026 — the only school above the 50th percentile — with chronic absenteeism of only 7.3% and 5th grade math proficiency at 85.71%. Academy of Accelerated Learning and Glenwood Elementary also earn 2 stars, at the 32nd percentile, and Glenwood records the lowest student-teacher ratio in the ZIP at 11.1. Among the two high schools, Greenfield High outperforms Hamilton High in every reported subject and posts a 95.1% graduation rate with a 0.7% dropout rate, though its test scores still trail state averages.
Hamilton High, the largest school with 1,472 students, faces the greatest challenges: 0 stars, 5th percentile, 73.6% chronic absenteeism, and a 64.1% graduation rate. Wedgewood Park School, the only middle school, ranks in the 10th percentile with 50.3% chronic absenteeism, and Whitman Elementary ranks in the 11th percentile with 37.5%. Whitman also spends the most per student at $21,571, while Edgewood spends $15,195 — higher spending does not track with stronger results here. Attendance is the clearest dividing line in this ZIP: Edgewood, Maple Grove Elementary and Glenwood report absenteeism below 8%, while five schools exceed the state's 17.3% rate.
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