| H.G. Bernard | Richmond Hill | Ontario |
| Halifax Christian Academy | Halifax | Nova Scotia |
| Hampton Jr | Hampton | Ontario |
| Hamptons | Calgary | Alberta |
| Hanover | Brampton | Ontario |
| Harmony Heights | Oshawa | Ontario |
| Harold Longworth | Bowmanville | 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 |
| Henry Larsen | Ottawa | Ontario |
| Herbert H. Carnegie | Vaughan | Ontario |
| Heritage Academy | Ottawa | Ontario |
| Heritage Glen | Oakville | Ontario |
| Heritage Mountain | Port Moody | British Columbia |
| Hespeler | Cambridge | Ontario |
| HH - Aurora Charter School | Edmonton | Alberta |
| HH - Escuela Glenmeadows | Calgary | Alberta |
| HH - St. Kateri Tekakwitha | Oshawa | Ontario |
| HH St. Alberta the Great | Calgary | Alberta |
| High Park Alternative | Toronto | Ontario |
| Highbush | Pickering | Ontario |
| Highgate | Markham | Ontario |
| Highland Creek | Scarborough | Ontario |
| Highland Middle School | Toronto | Ontario |
| Highview | Aurora | Ontario |
| Hillcrest | Hamilton | Ontario |
| Hillcrest | Cambridge | Ontario |
| Hillmount | Toronto | Ontario |
| Hillmount HotDog Days | Toronto | Ontario |
| Hillside | Lower Sackville | Nova Scotia |
| Hillside | Mississauga | Ontario |
| Hilson | Ottawa | Ontario |
| Holland Landing | Holland Landing | Ontario |
| Holland Road | Fletchers Lake | Nova Scotia |
| Hollycrest MS | Etobicoke | Ontario |
| Hollywood | Toronto | Ontario |
| Holy Angels | Etobicoke | Ontario |
| Holy Cross | Edmonton | Alberta |
| Holy Cross | Georgetown | Ontario |
| Holy Family | Oakville | Ontario |
| Holy Name of Mary | Ancaster | Ontario |
| Holy Redeemer | Ottawa | Ontario |
| Holy Rosary | Milton | Ontario |
| Holy Rosary | Burlington | Ontario |
| Holy Spirit | Brampton | Ontario |
| Holy Spirit | Stittsville | Ontario |
| Holyrood | Edmonton | Alberta |
| Homeland Sr. | Mississauga | Ontario |
| Homestead | Brampton | Ontario |
| Hope Lutheran Christian School | Port Coquitlam | British Columbia |
| Hopewell Camp | ottawa | Ontario |
| Horizon Jeunesse | Mississauga | Ontario |
| Hugh A. Bennett | Calgary | Alberta |
| Humbercrest | Toronto | Ontario |
| Huntington Ridge | Mississauga | Ontario |
