Summary:
ZIP code 53012 covers Cedarburg, Wisconsin, and is served by five public schools — three elementary schools (Thorson, Parkview and Westlawn), one middle school (Webster Middle) and one high school (Cedarburg High) — all part of the Cedarburg School District. The district ranks 4th out of 432 districts in Wisconsin, placing in the 99th percentile with a 5-star rating, and every individual school in the ZIP also holds 5 stars. Total enrollment across the five schools is 3,095 students: Cedarburg High has 1,073 (about 35% of the total), Webster Middle has 692, and the elementary schools together have 1,330.
Among the elementaries, Parkview Elementary is the standout: #4 of 1,039 elementary schools statewide in 2025-2026, a 100th percentile ranking, roughly 90.2% average proficiency across its listed tests, 95.24% in both 4th grade math and social studies, and the lowest chronic absenteeism in the set at 2.0%. Westlawn Elementary is the smallest school (297 students) and has the highest free/reduced lunch rate here at 14.81% — more than double Thorson's 6.62% — yet it ranks #11 statewide, up from #33 the prior year, with about 86.4% average proficiency and science rising from 66.67% to 85.71%. Thorson Elementary ranks #16 with about 85.3% average proficiency and 2.7% chronic absenteeism.
At the secondary level, Cedarburg High ranks #10 of 533 high schools with a 98.2% graduation rate (versus 92.0% statewide) and a 0.1% dropout rate (versus 1.1%), and its ACT/Forward proficiency runs roughly 30 points above state in ELA, math and science. Webster Middle ranks #10 of 643 middle schools, though 8th grade math slipped from 95.12% to 87.14% year over year. Elementary chronic absenteeism is remarkably low — 2.0%, 2.7% and 3.3% — far below the district's 6.0% and the state's 17.3%. The takeaway for families: every school here is highly ranked and 5-star, and even the school with the greatest economic need remains in the top 1% of Wisconsin elementaries.
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