Mich. Comp. Laws § 380.949
If the division of a school district becomes effective at a time when school is in session, each pupil may complete the school year at the school the pupil was attending before the division occurred without payment of tuition, regardless of the school district to which that school may have been annexed or transferred. The boards of the newly formed school districts may agree to permit nonresident pupils who attended school in the dividing school district to attend school in the newly formed school districts without payment of tuition for the 2 school fiscal years after the effective date of the division. This section shall not prevent the annexing school district from closing any schools included in the annexation the fiscal year immediately following the effective date of the division.
MCL 380.949