Brant Haldimand Norfolk CDSB 322 Fairview DrivePO Box 217Brantford, ON M3T 5M8519-756-6505Bruce-Grey CDSB799-16th AvenueHanover, ON N4N 3A1519-364-5820Dufferin-Peel CDSB 40 Matheson Boulevard WestMississauga, ON, L5R 1C5800-387-9501Halton CDSB802 Drury LaneBurlington, ON, L7R 2Y2905-632-6300Huron Perth CDSB87 Mill StreetPO Box 70Dublin, ON, N0K 1E0519-345-2440Niagara CDSB427 Rice RoadWelland, ON, L3C 7C1905-735-0240Simcoe Muskoka CDSB46 Alliance BoulevardBarrie, ON, L4M 5K3705-722-3555Toronto CDSB80 Sheppard Avenue EastToronto, ONM2N 6E8416-222-8282Wellington CDSB75 Woolwich StreetPO Box 1298Guelph, ON, N1H 6N6519-821-4600York CDSB320 Bloomington Road WestAurora, ON, L4G 3G8905-713-2711Ontario English Catholic Teachers’ Association65 Saint Clair Avenue East, Suite 400Toronto, ON, M4T 2Y8416-925-2493Institute for Catholic Education44 Hunt Street, Suite 2FHamilton, ON, L8R 3R1905-523-2469Durham CDSB650 Rossland Road WestOshawa, ON L1J 7C4905-576-6150Hamilton Wentworth CDSB90 Mulberry StreetPO Box 2012Hamilton, ON, L8N 3R9905-525-2930London District CSB5200 Wellington Road SouthPO Box 5474London, ON, N6A 4X5519-663-2088Peterborough Victoria Northumberland & Clarington District CSB 1355 Lansdowne Street West Peterborough, ON, K9J 7M3 705-748-4861St.Clair CDSB420 Creek StreetWallaceburg, ON, N8A 4C4519-627-6762Waterloo CDSB35 Weber Street West – Unit AKitchener, ON, N2H 3Z1519-578-3660Windsor-Essex CDSB1325 California AvenueWindsor, ON, N9B 3Y6519-253-2481Catholic Principals' Council of Ontario 2300 Yonge St., Suite 3030, Box 2325 Toronto, ON, M4P 1E4 416-483-155