The Service shall be made up of-

(a) the personnel of the Ghana Education Service existing immediately before the coming into force of this Act;

(b) teachers and non-teaching supporting personnel in pre-tertiary educational institutions in the public system;

(c) managers of educational units and their supporting staff;

(d) persons holding posts created as Ghana Education Service posts by or under any enactment; and

(e) other persons that may be employed for the Service.