Summary:
ZIP code 53548 in Janesville, Wisconsin is home to eight schools — three elementary schools, one middle school, three high schools, and one alternative K–12 academy — all part of the Janesville School District, together serving roughly 3,210 students.
Performance across the ZIP varies enormously. Rock University High ranks 3rd of 533 Wisconsin high schools (99th percentile, 5 stars) with a 100.0% graduation rate and 10th-grade proficiency far above district and state averages, including 95.24% in ELA and 76.19% in math. Washington Elementary is the strongest elementary (393rd of 1,039, 62nd percentile, 3 stars), with 3rd- and 5th-grade math scores above 61%. At the other end, Rock River Charter School ranks 508th of 533 (5th percentile, 0 stars), with the ZIP's highest dropout rate (4.7%), lowest spending ($11,731 per student), and very low test scores. Franklin Middle (17th percentile, 1 star) and Wilson Elementary (22nd percentile, 1 star) also fall below district and state averages, and Franklin's math drops from 35.00% in 6th grade to 25.17% in 8th.
Chronic absenteeism is a major dividing line: ARISE Virtual Academy reports just 1.5%, while Wilson (33.3%), Franklin (30.4%), and Parker High (30.0%) far exceed the district's 22.0% and the state's 17.3%. Spending does not track simply with results — Wilson spends the most ($19,683) yet remains low-ranked, while Rock University spends $17,066. Several schools are trending upward: Washington moved from 2 to 3 stars, Madison Elementary from 1 to 2 stars, and Parker High from the 14th to the 41st percentile.
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