Summary:
Mequon, Wisconsin is home to six public schools serving roughly 3,553 students across the Mequon-Thiensville School District: three elementary schools (PK-5), two middle schools (6-8), and one high school (9-12). The district ranks 13th of 432 Wisconsin districts, in the 97th percentile with 5 stars, and every school in the city is rated 5 stars and places at or above the 94th percentile in current state rankings.
Each school brings distinct strengths. Oriole Lane Elementary (25th of 1,039 elementary schools) has the strongest elementary proficiency profile, averaging about 83.8% across reported assessments, with 3rd grade math at 95.45% and 3rd grade ELA at 90.91%. Donges Bay Elementary (36th) leads elementary science at 77.59% while having the lowest free/reduced lunch rate (7.05%) and lowest per-student spending ($14,475). Wilson Elementary (61st) has the city's lowest chronic absenteeism at 2.4%. Among middle schools, Lake Shore Middle (15th of 643) edges Steffen Middle (27th) in rank and math, while Steffen leads in 8th grade science at 80.92%. Homestead High (25th of 533 high schools) posts a 98.4% graduation rate, 0.0% dropout rate, and ACT math proficiency of 74.28% versus 42.93% statewide.
Absenteeism is low throughout the city: Wilson's 2.4% and Oriole Lane's 2.9% are especially notable, and even Homestead's city-high 8.2% is less than half the state's 17.3%. Every listed 2025-2026 test score exceeds its state average. Spending and student-teacher ratios do not track outcomes in a simple way — Donges Bay spends the least yet ranks near the top, while Lake Shore spends the most ($18,349) with the lowest ratio (12.3) and also performs very well. Both middle schools also showed large year-over-year science gains.
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