Every school board shall grant daily a duty-free lunch period to each of its teachers, except that a school district may contract with any teacher employed by it for services during such period. Such period shall be not less than 30 minutes and shall be provided at or near the time of the regular school lunch period.
Wis. Stat. § 118.235
Lunch period for teachers
Official source: Wisconsin State Legislature. Reproduced from public-domain Wisconsin statutes; confirm against the official source for the current text. Not legal advice.