Mich. Comp. Laws § 339.1106

Sec. 1106. (1) The department shall issue a license as a student instructor to an individual who fulfills all of the following requirements: (a) Has graduated from high school or provided documentation of an equivalent education acceptable to the department and the board. (b) Is of good moral character. (c) Is a licensed barber with not less than 2 years' experience. (2) A student instructor shall not render barber services to the public in a barber college except incidentally as a teaching example or to correct or complete the work of a student. (3) With the approval of the board, a student instructor may renew his or her license for an additional year.