The school board shall permit teachers, administrators, and their respective organizations access at reasonable times to areas in which teachers and administrators work, and to use institutional bulletin boards, mail boxes, or other communication media subject to reasonable regulation by the school board, and to use school facilities at reasonable times for the purpose of meetings concerned with the exercise of rights guaranteed by this chapter. (Added 1969, No. 127, § 2, eff. Sept. 1, 1969.)