Greendale High

Greendale High is a high school of sprawling scale in Greendale, Wisconsin, run under Greendale School District, teacheing 882 students in grades 9 through 12. By comparison, Wisconsin's public schools average about 475 students each, so Greendale High sits 86% larger than that benchmark.

Greendale School District comprises 6 schools with combined enrollment of 2,546 students; Greendale High is among them.

For racial and ethnic makeup, Greendale High shows that 66% of the student body identifies as White. Beyond that, the school reports 19% Hispanic, 7% multiracial, 5% Asian, 3% Black. That is visibly more White than the county at large, where the share is closer to 51%.

In terms of school funding signals, Greendale High lists 59 full-time-equivalent teachers, putting the student-to-teacher ratio at about 15.0:1. The state averages about 14.6:1, putting this campus right in line with peers. An estimated 28% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. By comparison, Milwaukee County runs at roughly 64%, so the school's eligibility rate is meaningfully below the surrounding baseline.

After controlling for student poverty, Greendale High performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 60.3%, the actual is 64.7%, a residual of +4.3 points.

Around the school, community-level numbers for Milwaukee County indicate median household earnings sit near $64,435, roughly 35% of adults have completed at least a four-year degree, and roughly 13% of residents live below the federal poverty line. Greendale High is one of 284 public schools in Milwaukee County (combined enrollment of about 122,496 students).

Nearest neighbor: Greendale Middle, around 0.4 miles off. Counting just inside five miles, 8 other public schools cluster around Greendale High. Among the 8 schools in that immediate cluster with test data (this one included), Greendale High ranks 6th on composite proficiency, higher than the local average of 63.7%.

The school occupies a bedroom-community site.

Five-year trend. Over the past 7-year window, the student count remained close to its prior level: 899 students in 2018 compared to 882 in 2025. Over the same period, the White share edged down from 75% to 66%.

Inside the community feed, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Posting is open to anyone connected to the school.