Summary
Bay Lane Elementary is a PK–4 school in suburban Muskego, Wisconsin, serving 912 students in the Muskego-Norway School District. It is the largest elementary in its local comparison group — more than twice the size of same-district Mill Valley Elementary — and its district ranks 23rd of 432 Wisconsin districts (95th percentile, 5 stars). Bay Lane itself is a sustained high performer: 102nd of 1,039 elementary schools statewide in 2025-2026 (90th percentile, 5 stars) and 48th of 1,044 in 2024-2025 (95th percentile), with a dip to 150th (86th percentile, 4 stars) in 2023-2024.
Math is the clearest strength. In 2025-2026, 3rd-grade math proficiency was essentially tied with the district and about 28 points above the state, and 4th-grade math was above both. Bay Lane beat Mill Valley in both grades, trailing only Big Bend Elementary and — in 4th grade — Edgerton Elementary. English language arts is more uneven: 3rd-grade ELA was above state but below district, and 4th-grade ELA (67.86%) was about 4 points below district and behind Mill Valley, Big Bend, Edgerton, and others — the main academic watch item. Science and social studies were above state but mid-pack locally. Attendance is a genuine strength: chronic absenteeism was 4.8% in 2024-2025, far below the district's 8.9% and the state's 17.3%, though Ronald Reagan Elementary, Big Bend, Hales Corners Elementary, and Elmwood Elementary are even lower.
Most student groups perform above the statewide median: female students rank in the 93rd percentile (5 stars) and students with disabilities in the 75th. The low-income group is the exception at the 63rd percentile (3 stars), down from 79th the prior year — the clearest equity concern. Bay Lane's free/reduced lunch rate is 12.72%, lower than Hales Corners, Edgerton, Ben Franklin Elementary, Robinwood Elementary, Country Dale Elementary, and Hoover Elementary, but higher than Ronald Reagan and Elmwood. It spends $15,054 per student with a 14.9 student-teacher ratio, versus Mill Valley's 12.9 ratio and $16,683 in spending.
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