567.5. The Protestant School Board of Greater Montréal shall consist of at least 11 and not more than 15 school commissioners and the Commission des écoles catholiques de Montréal shall consist of at least 15 and not more than 19 school commissioners. In addition, each school board shall consist of one representative elected for each of the elementary and secondary levels in accordance with section 52.1 or the second paragraph of section 544.