Clarendon Avenue Elementary

Clarendon Avenue Elementary, a substantial elementary campus in Mukwonago, Wisconsin, part of Mukwonago School District, caters to 511 students, covering grades pre-K through 6. By comparison, Wisconsin's public schools average about 323 students each, so Clarendon Avenue Elementary sits 58% above that benchmark.

Mukwonago School District runs 9 schools in total, collectively educating 4,835 students. Clarendon Avenue Elementary is one of those campuses.

In terms of who attends, Clarendon Avenue Elementary records that the student body is overwhelmingly White (87%). Other groups include 7% Hispanic, 3% multiracial, 2% Black. Compared to Waukesha County overall, the school's racial mix sits in roughly the same range.

In terms of school funding signals, Staff filings list 35 full-time-equivalent teachers, which works out to roughly 14.5:1 students per teacher. That tracks the state average closely. Roughly 20% of students at Clarendon Avenue Elementary qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

With demographic context factored in, Clarendon Avenue Elementary performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 65.4%, the actual is 71.1%, a residual of +5.7 points.

Across the wider county, ACS estimates for Waukesha County put the typical household earns roughly $106,076 per year, roughly 49% of adults have completed at least a four-year degree, and roughly 3% of residents live below the federal poverty line. Clarendon Avenue Elementary is one of 113 public schools in Waukesha County (combined enrollment of about 60,032 students).

The closest other public school is District 4K, roughly 0.1 miles away. 7 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Clarendon Avenue Elementary comes 5th of 6 in the immediate cluster, behind the nearby-schools average of 72.8%.

Geographically, the school is in a town-based area.

Over the past 7-year window. Over the past 7-year window, the student count stayed largely flat: 517 students in 2018 compared to 511 in 2025. The White share of enrollment contracted from 91% to 87% over that span.

Within the allk12 community for this school, the page collects discussion, questions, and updates around enrollment questions, classroom assignments, and PTA news. Members of the school community can share what they know.