| School | Address | City | Province | Postal Code |
| Technical Vocational High School | 1555 Wall Street | Winnipeg | MB | R3E 2S2 |
| Templeton Secondary School | 727 Templeton Drive | Vancouver | BC | V5L 4N8 |
| Tempo School | 5603 148th Street | Edmonton | AB | T6H 4T7 |
| Terry Fox Senior Secondary | 3550 Wellington Street | Port Coquitlam | BC | V3B 3Y5 |
| The Abelard School | 88 Prince Arthur Avenue | Toronto | ON | L4H 1N7 |
| The Chinese Academy | 6620 - 4th Street N.W. | Calgary | AB | T2K 1C2 |
| The Linden School | 10 Rose Hill Avenue | Toronto | ON | M4T 1G5 |
| Thomas A. Stewart Secondary School | 1009 Armour Road North | Peterborough | ON | K9J 7B1 |
| Thomas Haney Secondary School | 3000 - 116 Avenue | Maple Ridge | BC | V2X 0T8 |
| Thornhill Secondary School | 167 Dudley Avenue | Thornhill | ON | L3T 2E5 |
| Thornlea Secondary School | 8075 Bayview Avenue | Thornhill | ON | L3T 4N4 |
| Thousand Islands Secondary School | 2510 Parkedale Avenue | Brockville | ON | K6V 3H1 |
| Three Oaks Senior High School | 10 Kenmoore Avenue | Summerside | PE | C1N 4V9 |
| Timmins High & Vocational School | 451 Theriault Boulevard | Timmins | ON | P4N 8B2 |
| Tommy Douglas Collegiate | 130 Bowlt Crescent | Saskatoon | SK | S7M 0L1 |
| Toronto Academic School | 143 Willowdale Avenue | Toronto | ON | M2N 4Y5 |
| Toronto District Christian High School | 377 Woodbridge Avenue | Woodbridge | ON | L4L 2V7 |
| Toronto Montessori College High School | 8569 Bayview Avenue | Richmond Hill | ON | L4B 3M7 |
| Town Centre Montessori Private Schools | 155 Clayton Drive | Markham | ON | L3R 7P3 |
| Trafalgar Castle School | 401 Reynolds Street | Whitby | ON | L1N 3W9 |
| Trenton High School | 15 Fourth Avenue | Trenton | ON | K8V 5N4 |
| Trinity College School | 190 Ward Street | Port Hope | ON | L1A 3W2 |