Mich. Comp. Laws § 393.65
There shall be received in said school, as pupils, all such deaf children and partially deaf children whose defective hearing prevents them from receiving instruction in the common schools, to remain not beyond 21 years of age, as are in suitable condition of body and mind to receive instruction, and who are residents of this state, or whose parents or guardians are residents of this state, without charge for tuition, boarding, lodging, or washing and without charge for such health services as may be established by the board of trustees: Provided, That any dependent child enrolled who is in need of surgery, medicines or medical attendance not available through the school's established program and for whom circumstances make such services impossible under any other act shall receive the necessary surgery and treatment at the school's expense: Provided further, The board of trustees may substitute transportation in lieu of boarding, lodging, washing and other similar resident-school-services for those children who live within a radius of 10 miles of the school and whose educational opportunities would not be jeopardized by such substitution: And provided further, The board of trustees may in their discretion admit persons over 21 years of age under such conditions as may be deemed appropriate; and the trustees may admit children from any other state, but in such cases shall fix a tuition fee that is sufficient to cover all necessary expenses.
MCL 393.65