Wis. Stat. § 946.50: Absconding.

Any person who is adjudicated delinquent, but who intentionally fails to appear before the court assigned to exercise jurisdiction under chs. 48 and 938 for his or her dispositional hearing under s. 938.335, and who does not return to that court for a dispositional hearing before attaining the age of 17 years is guilty of the following:

(1) A Class A felony, if the person was adjudicated delinquent for committing an act that would be a Class A felony if committed by an adult.

(2) A Class B felony, if the person was adjudicated delinquent for committing an act that would be a Class B felony if committed by an adult.

(3) A Class C felony, if the person was adjudicated delinquent for committing an act that would be a Class C felony if committed by an adult.

(4) A Class D felony, if the person was adjudicated delinquent for committing an act that would be a Class D felony if committed by an adult.

(5) A Class E felony, if the person was adjudicated delinquent for committing an act that would be a Class E felony if committed by an adult.

(5d) A Class F felony, if the person was adjudicated delinquent for committing an act that would be a Class F felony if committed by an adult.

(5h) A Class G felony, if the person was adjudicated delinquent for committing an act that would be a Class G felony if committed by an adult.

(5p) A Class H felony, if the person was adjudicated delinquent for committing an act that would be a Class H felony if committed by an adult.

(5t) A Class I felony, if the person was adjudicated delinquent for committing an act that would be a Class I felony if committed by an adult.

(6) A Class A misdemeanor, if the person was adjudicated delinquent for committing an act that would be a misdemeanor if committed by an adult.