Wis. Stat. § 120.09
If in a common or union high school district at least 60 days prior to the annual meeting a petition is filed with the school district clerk signed by 100 electors requesting that the annual meeting consider a special subject or item of business which is a proper subject or item for consideration at the annual meeting, the school district clerk shall incorporate a statement of the subject or item in the notice of the annual meeting. The school district clerk shall prepare the proper ballot to permit voting on the subject or item at the annual meeting. If the petition includes a subject beyond the power of the annual meeting, the school district clerk shall reject that part of the petition which contains such subject and notify the proper person within 20 days of the school district clerk's receipt of the petition. The petition shall designate a person or a representative of an organization to be notified in case of its rejection.
Wis. Stat. § 120.09