Highest K-12 mill rates: Polk County, WI 2025-26
K-12 mill rates across 8 Polk County, Wisconsin school districts, 2025-26. Clayton School District leads at 9.45 mills. Wisconsin DPI; ranked by DistrictFacts.
- Districts ranked
- 8
- 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. Clayton School District — 9.45 mills
- 2. Amery School District — 7.52 mills
- 3. Clear Lake School District — 7.45 mills
- 4. Luck School District — 7.39 mills
- 5. Frederic School District — 6.74 mills
- 6. Saint Croix Falls School District — 5.97 mills
- 7. Osceola School District — 5.71 mills
- 8. Unity School District — 5.6 mills