Mont. Code Ann. § 20-5-111
Responsibilities and rights of parent who provides home school
20-5-111 . Responsibilities and rights of parent who provides home school. Subject to the provisions of 20-5-109 , a parent has the authority to instruct the parent's child, stepchild, or ward in a home school and is solely responsible for:
(1) the educational philosophy of the home school;
(2) the selection of instructional materials, curriculum, and textbooks;
(3) the time, place, and method of instruction; and
(4) the evaluation of the home school instruction.