Wyo. Stat. § 21-4-106: List of children of school age to be furnished; notice of unexcused absences.

At the beginning of each school year, the board of trustees shall furnish each district attendance officer a list of the names of the children of compulsory school age within the district who are enumerated on the regular enumeration lists. The person in charge of each school within the district shall notify each district attendance officer promptly in writing of all cases of unexcused absence so that the attendance officer may proceed according to the provisions of this article.