Me. Stat. tit. 20-A § 1511
A school operated within the regional school unit may not be closed for lack of need unless closure of the school is approved at a regular or special meeting of the regional school unit board by an affirmative vote of 2/3 of the elected membership or voting power of those serving on the regional school unit board at the time of the vote. A regional school unit must proceed in accordance with section 1512 for elementary schools or for secondary schools if the regional school unit has more than one secondary school. For regional school units with only one member municipality, section 1512 does not apply and the regional school unit must proceed in accordance with section 4102, subsection 4, paragraph B-1. [2011, c. 678, Pt. K, §1(AMD).]
20-A M.R.S. § 1511