Wis. Stat. § 121.06: Determination and certification of equalized valuation.

(1) Annually on or before October 1, the full value of the taxable property in each part of each city, village and town in each school district shall be determined by the department of revenue according to its best judgment from all sources of information available to it and shall be certified by the department of revenue to the state superintendent.

(2) The state superintendent shall certify to each school district clerk the appropriate full values certified to the state superintendent under sub. (1).

(3) For purposes of computing state aid under s. 121.08 equalized valuations calculated under sub. (1) and certified under sub. (2) shall exclude property taxed under s. 70.114, 1981 stats., s. 70.116, 1981 stats., s. 70.117, 1981 stats., or s. 70.175, 1981 stats.

(4) For purposes of computing state aid under s. 121.08, equalized valuations calculated under sub. (1) and certified under sub. (2) shall include the full value of property that is exempt under s. 70.11 (39) and (39m) as determined under s. 79.095 (3) for 2016.