| H.G. Bernard | Richmond Hill | Ontario |
| H.T. Thrift | Surrey | British Columbia |
| Hampton | Hampton | Ontario |
| Hamptons | Calgary | Alberta |
| Hanover | Brampton | Ontario |
| Harmony Heights | Oshawa | Ontario |
| Harrison | Toronto | Ontario |
| Harry Hooge | Maple Ridge | British Columbia |
| Hartman | Aurora | Ontario |
| Hatch House Montessori | Whitby | Ontario |
| Hawthorn | Mississauga | Ontario |
| Hawthorne Village | Milton | Ontario |
| Hazel McCallion | Missausauga | Ontario |
| Hazel Trembath | Port Coquitlam | British Columbia |
| Heath Traditional | Delta | British Columbia |
| Henry Larsen | Ottawa | Ontario |
| Herbert H. Carnegie | Vaughan | Ontario |
| Heritage | Ottawa | Ontario |
| Heritage Glen | Oakville | Ontario |
| Heritage Mountain | Port Moody | British Columbia |
| Hespeler | Cambridge | Ontario |
| HH - Dr. Donald Massey | Edmonton | Alberta |
| HH - George H. Luck | Edmonton | Alberta |
| HH - Good Shepherd School | Airdrie | Alberta |
| HH - Meadows Baptist | Edmonton | Alberta |
| HH - St. Elizabeth Seton | Calgary | Alberta |
| HH - St. Teresa | Ajax | Ontario |
| HH - Twelve Mile Coulee School | Calgary | Alberta |
| High Park Alternative | Toronto | Ontario |
| Highbush | Pickering | Ontario |
| Highland Creek | Scarborough | Ontario |
| Highland Middle School | Toronto | Ontario |
| Highview | Aurora | Ontario |
| Hillcrest | Cambridge | Ontario |
| Hillmount | Toronto | Ontario |
| Hillside | Mississauga | Ontario |
| Hilson | Ottawa | Ontario |
| Holland Landing | Holland Landing | Ontario |
| Hollycrest | Etobicoke | Ontario |
| Hollywood | Toronto | Ontario |
| Holy Angels | Etobicoke | Ontario |
| Holy Cross | Edmonton | Alberta |
| Holy Cross | Georgetown | Ontario |
| Holy Family | Bowmanville | Ontario |
| Holy Family | Oakville | Ontario |
| Holy Family | Thornhill | Ontario |
| Holy Family BT | Bolton | Ontario |
| Holy Name | Welland | Ontario |
| Holy Redeemer | Toronto | Ontario |
| Holy Redeemer | Ottawa | Ontario |
| Holy Rosary | Milton | Ontario |
| Holy Rosary | Burlington | Ontario |
| Holy Rosary | Toronto | Ontario |
| Holy Spirit | Brampton | Ontario |
| Holyrood | Edmonton | Alberta |
| Homeland Sr. | Mississauga | Ontario |
| Horizon Jeunesse | Mississauga | Ontario |
| Humbercrest | Toronto | Ontario |
| Huntington Ridge | Mississauga | Ontario |
| Hyland | Surrey | British Columbia |
