Sec. 7. As used in this chapter, "reorganization of school corporations" means the formation of new school corporations, the alteration of the boundaries of established school corporations, and the dissolution of established school corporations by:
(1) the uniting of two (2) or more established school corporations;
(2) the subdivision of one (1) or more school corporations;
(3) the transfer to a school corporation of a part of the territory of one (1) or more school corporations;
(4) the attachment to a school corporation of all or part of the territory of one (1) or more school corporations; and
(5) any combination of the methods listed in subdivisions (1) through (4).