1. An individual employed as a teacher may form, join, and participate in the activities of a representative organization of the individual's choosing for the purpose of representation on matters of employer-employee relations. 2. An individual employed as an administrator may form, join, and participate in the activities of a representative organization of the individual's choosing for the purpose of representation on matters of employer-employee relations. 3. Any individual employed as a teacher or as an administrator may refuse to join or participate in the activities of a representative organization.