WHO WE ARE Catholic Principals' Council | Ontario (CPCO) is a voluntary, professional association for Principals and Vice-Principals in Ontario's 29 publicly-funded Catholic school boards. CPCO represents the needs and perspectives of local Principals/Vice-Principals in Catholic school boards and is their exclusive representative to the provincial government. The association is managed by a board of directors comprised of 9 elected active Principal/Vice-Principals from across the province. Approximately 600,000 students in Ontario attend Catholic schools. Catholic school Principals and Vice-Principals lead over 1,300 publicly-funded Catholic schools in the province.