Summary:
ZIP code 53149 contains three elementary schools — Clarendon Avenue Elementary, Rolling Hills Elementary, and Section Elementary — all part of the Mukwonago School District in Wisconsin, all serving grades PK–6, and enrolling 1,404 students combined. The district is high-performing, ranking #30 of 432 districts statewide (93rd percentile, 5 stars), and all three schools landed in the top 10% of Wisconsin elementary schools in 2025–26.
Section Elementary is the standout, ranking #7 of 1,039 elementary schools statewide (99th percentile, 5 stars) with an overall average of 88.4% proficient and a 90.5% math average. Rolling Hills is a consistent top-5% performer, ranked #55 of 1,039 (95th percentile) with a 79.8% overall average and an 83.9% math average. Clarendon Avenue ranks #104 of 1,039 (90th percentile) with a 74.6% overall average and a 77.0% math average. Section also posts the lowest chronic absenteeism (0.9%), free/reduced lunch rate (7.08%), per-student spending ($12,474), and student-teacher ratio (14.1); Clarendon has the highest of each of those, at 1.0%, 19.96%, $13,606, and 14.5.
What all three share is remarkably low absenteeism — 0.9% to 1.8%, versus 3.8% in the district and 17.3% statewide — and strong math results, with even Clarendon about 24 percentage points above the state math average. Clarendon sits below the district in all 10 reported 2025–26 tests yet above the state in all 10, showing how high the district bar is. Trends are mostly positive: Section improved from #20 to #7, Clarendon rebounded from #156 to #104, and Rolling Hills slipped slightly from #38 to #55 while its overall average stayed nearly flat (79.7% to 79.8%). Grade 4 science also rose at all three schools.
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