The provisions of this chapter shall not apply to the constituent units of the state system of higher education, provided the board of trustees for each such constituent unit shall (1) after providing a reasonable opportunity for interested persons to present their views, promulgate written statements of policy concerning personnel policies and student discipline, which shall be made available to members of the public, and (2) in cases of dismissal of tenured, unclassified employees, dismissal of nontenured, unclassified employees prior to the end of their appointment, and proposed disciplinary action against a student, promulgate procedures which shall provide (A) written notice to affected persons of the reasons for the proposed action; (B) a statement that the affected person is entitled to a hearing if he so requests; and (C) a written decision following the hearing.