| A.E. Cross School | | | | |
| AADAC | | | | |
| Abbeydale School | | | | |
| Acadia School | | | | |
| Access International College (Calgary) | | | | |
| Akiva Academy | | | | |
| Alex Munro School | | | | |
| Alexander Ferguson School | | | | |
| Alice Jamieson Girls' Academy | | | | |
| Altadore School | | | | |
| Alternative High School | | | | |
| Andrew Sibbald School | | | | |
| Annie Foote School | | | | |
| Annie Gale School | | | | |
| Arbour Lake School | | | | |
| Ascension of Our Lord | | | | |
| Aurora Learning Calgary | | | | |
| Balmoral School | | | | |
| Banbury Crossroads School | | | | |
| Banff Trail School | | | | |
| Banting and Best School | | | | |
| Battalion Park School | | | | |
| Bearspaw Christian School & College | | | | |
| Beddington Heights School | | | | |
| Belfast School | | | | |