Highest K-12 mill rates: Waukesha County, WI 2025-26
K-12 mill rates across 10 Waukesha County, Wisconsin school districts, 2025-26. Kettle Moraine School District leads at 6.78 mills. Wisconsin DPI; ranked by…
- Districts ranked
- 10
- Period
- 2025-26
- Publication floor
- 8 districts
- Tie rule
- Equal values share a rank; the next rank skips.
- County definition
- The county holding the largest share of the district's land area (NCES EDGE, 2024–25).
DPI Equalized Levy Rates, 2025-26: the district's total school levy per $1,000 of TIF-out equalized value (mills), before the state's school levy and lottery credits. This is a K-12 district's rate, comparable with other K-12 districts' rates.
Measure: Equalized school tax rate (K-12 district).
Source: Wisconsin DPI.
K-12 districts only; K-8 and union high school rates have their own keys.
Ranked districts
- 1. Kettle Moraine School District — 6.78 mills
- 2. Hamilton School District — 6.68 mills
- 3. Menomonee Falls School District — 6.35 mills
- 4. Elmbrook School District — 6.26 mills
- 4. Pewaukee School District — 6.26 mills
- 6. New Berlin School District — 6.06 mills
- 7. Mukwonago School District — 5.8 mills
- 8. Oconomowoc Area School District — 5.79 mills
- 9. Muskego-Norway School District — 5.53 mills
- 10. Waukesha School District — 4.99 mills
Not ranked
- Arrowhead UHS School District — no figure in the state's file
- Hartland-Lakeside J3 School District — no figure in the state's file
- Lake Country School District — no figure in the state's file
- Merton Community School District — no figure in the state's file
- Norris School District — This figure is not compared for this district in the state's comparison index.
- North Lake School District — no figure in the state's file
- Richmond School District — no figure in the state's file
- Stone Bank School District — no figure in the state's file
- Swallow School District — no figure in the state's file