Founding year: 1974
Address: Somerset Academy, 7700 Brimley Road Markham, Ontario, L3R 0E5, Canada
Founding year: 1988
Address: South Central Interior Distance Education School, 2475 Merritt Ave. Merritt, British Columbia, V1K 1R6, Canada
Founding year: 1899
Address: St. Andrew's College, 15800 Yonge Street Aurora,, Ontario, L4G 3H7, Canada
Founding year: 1983
Address: St. Andrew's Regional High School, 880 Mc Kenzie Avenue Victoria, British Columbia, V8X 3G5, Canada
Founding year: 1933
Address: St. Francis Xavier School, 428 Great Northern Way, Vancouver,, British Columbia, V5T 4S5, Canada
Founding year: 1930
Address: St. George's School, 4175 West 29th Avenue, Vancouver, British Columbia, V6S 1V1, Canada
Founding year: 1986
Address: St. John's School, 2215 West 10 Avenue Vancouver, British Columbia, V6K 2J1, Canada
Founding year: 1972
Address: St. John's-Kilmarnock School, 2201 Shantz Station Road, Breslau , Ontario, NOB 1M0, Canada
Founding year: 1820
Address: St. John's-Ravenscourt School, 400 South Drive Winnipeg, Manitoba, R3T 3K5, Canada
Founding year: 2006
Address: St. Jude's Academy, 2150 Torquay Mews Mississauga, Ontario, L5N 2M6, Canada
Founding year: 1908
Address: St. Margaret's School, 1080 Lucas Avenue Victoria,, British Columbia, V8X 3P7, Canada
Founding year: 1971
Address: St. Michaels University School, 3400 Richmond Road, Victoria, British Columbia, V8P 4P5, Canada
Founding year: 1891
Address: St. Mildred's-Lightbourn School, 1080 Linbrook Road, Oakville,, Ontario, L6J 2L1, Canada
Founding year: 1923
Address: St. Patrick Regional Secondary School, 115 East 11th Avenue Vancouver, , British Columbia, V5T 2C1, Canada
Founding year: 1990
Address: St. Peter's ACHS College School, 6101 County Rd 20 Amherstburg, Ontario, N0R 1G0, Canada
Founding year: 1872
Address: Stanstead College, 450 Rue Dufferin, Stanstead, Alberta, J0B 3E0, Canada
Founding year: 1991
Address: Stein Valley Nlakapamux School, 1675 St. Georges Road Lytton, Alberta, V0K 1Z0, Canada
Address: Steinbach Christian School, 50 PTH 12N Steinbach, Alberta, R5G 1T4, Canada
Founding year: 1999
Address: Stratford Hall, 3000 Commercial Drive Vancouver, BC, Alberta, V5N 4E2, Canada
Founding year: 1971
Address: Strathcona Tweedsmuir School, RR 2 (306 Avenue West and 32 Street West) Okotoks, Alberta, T1S 1A2, Canada
Address: Summit Micro School, 291A Jane St, Toronto, Alberta, M6S 3Z3, Canada
Founding year: 1952
Address: Sunnybrook School, 469 Merton St, Toronto, Alberta, M4S 1B4, Canada
Founding year: 1988
Address: Sunrise Montessori School, 180 Amber St, Markham, Alberta, L3R 3J8, Canada
Address: SuOn International Academy, 35 Heavitree Dr Toronto, Alberta, 3L 1K5, Canada
Founding year: 1982
Address: Sussex Christian School, 45 Chapman Dr, Sussex, Alberta, E4E 1M4, Canada
Founding year: 1998
Address: TAIE International Institute, 399 Church St, Toronto, Alberta, M5B 2J6, Canada
Founding year: 2003
Address: Tapply Binet College, 245 Garner Rd. W. Ancaster, Ontario, L9G 3K9, Canada
Founding year: 1997
Address: The Abelard School, 557 Church St 4th floor, Toronto, Alberta, M4Y 2E2, Canada
Founding year: 2001
Address: The Dragon Academy, 35 Prince Arthur Avenue Toronto , Ontario, M5R 1B2, Canada
Founding year: 2003
Address: The Element High School, 425 Marché Way Unit 201, Ottawa, Alberta, K1S 5J3, Canada
Founding year: 1978
Address: The Great Lakes College of Toronto, 323 Keele St, Toronto, Alberta, M6P 2K6, Canada
Founding year: 1974
Address: The Leo Baeck Day School, 501 Arlington Ave, York, Alberta, M6C 3A4, Canada