Champions are awarded the Miriam Farrington Trophy. In the 1974 realignment, 3A was specified as the category for schools with 300-749 students.
| YEAR | CHAMPION | COACH | FINAL | RUNNER-UP | |
| 74-75 | Medicine Hat Crescent Heights | Trevor Slack | 35-31 | Coaldale Kate Andrews | |
| 75-76 | Medicine Hat Crescent Heights | Trevor Slack | 42-31 | Lethbridge Sir Winston Churchill | |
| 76-77 | Camrose | Bill Maertens-Poole | 38-31 | Lethbridge Sir Winston Churchill | |
| 77-78 | Lethbridge Sir Winston Churchill | Clifton Walters | 42-31 | Medicine Hat Crescent Heights | |
| 78-79 | Coaldale Kate Andrews | Les Santa | 42-29 | Calgary Queen Elizabeth | |
| 79-80 | Edmonton Archbishop MacDonald | Ron Kutney | 47-32 | St. Albert | |
| 80-81 | Lethbridge Catholic Central | Cal O’Brien | 63-41 | Calgary Springbank | |
| 81-82 | Taber W.R. Myers | Clifton Walters | 42-39 | Lacombe | |
| 82-83 | Taber W.R. Myers | Clifton Walters | 62-39 | Sherwood Park Archbishop Jordan | |
| 83-84 | Taber W.R. Myers | Clifton Walters | 59-57 | Sherwood Park Archbishop Jordan | |
| 84-85 | Edmonton Archbishop MacDonald | Ron Kutney | 60-51 | Lacombe | |
| 85-86 | Sherwood Park Archbishop Jordan | Pat O’Connor | 63-53 | Calgary Bowness | |
| 86-87 | Lacombe | Len Tollenaar | 61-55 | Calgary Bowness | |
| 87-88 | Edmonton Archbishop MacDonald | Ron Kutney | 68-35 | Stettler William E. Hay | |
| 88-89 | Raymond | Karie Tollestrup | 71-65 | Grande Prairie St. Joseph’s | |
| 89-90 | Coaldale Kate Andrews | Leonard Boras | 68-40 | Ardrossan | |
| 90-91 | Olds | Tom Christenson | 46-45 | Magrath | |
| 91-92 | Magrath | Ross Blackmer | 70-46 | Airdrie Bert Church | |
| 92-93 | Ardrossan | Ralph Tuominen | 69-62 | Airdrie Bert Church | |
| 93-94 | Airdrie Bert Church | Doug Wilde | 71-58 | Magrath | |
| 94-95 | Magrath | 61-49 | Airdrie Bert Church | ||
| 95-96 | Ardrossan | Ralph Tuominen | 72-71 | Raymond | |
| 96-97 | Ardrossan | Ralph Tuominen | 61-60 | Raymond | |
| 97-98 | Devon John Maland | 62-57 | Cardston | ||
| 98-99 | Calgary Chestermere | Brian Utley | 64-51 | Devon John Maland | |
| 99-00 | Airdrie Bert Church | Doug Wilde | 79-62 | Okotoks Foothills | |
| 00-01 | Airdrie George McDougall | 58-54 | Calgary Chestermere | ||
| 01-02 | Okotoks Foothills | 59-52 | Calgary Springbank | ||
| 02-03 | Calgary Springbank | Kara Vanhooren | 60-45 | Sherwood Park Archbishop Jordan | |
| 03-04 | Cardston | Tim Court | 77-43 | Magrath | |
| 04-05 | Cardston | Tim Court | 77-69 | Calgary Springbank | |
| 05-06 | Edmonton Louis St. Laurent | Tom Wasylenko | 77-63 | Calgary Springbank | |
| 06-07 | Brooks | Jim Hartley | 84-52 | Standoff Kainai | |
| 07-08 | Calgary Springbank | Adonis Palomino | 88-66 | Okotoks Holy Trinity | |
| 08-09 | Calgary Springbank | Adonis Palomino | 59-44 | Edmonton Christian | |
| 09-10 | St. Albert | John Dedrick | 56-48 | Magrath | |
| 10-11 | St. Albert | John Dedrick | 74-63 | Medicine Hat Monsignor McCoy | |
| 11-12 | St. Albert | John Dedrick | 68-64 | Medicine Hat Monsignor McCoy | |
| 12-13 | St. Albert | John Dedrick | 79-47 | Medicine Hat Monsignor McCoy | |
| 13-14 | Edmonton Christian | Brady VanRy | 53-46 | Medicine Hat Monsignor McCoy | |
| 14-15 | Magrath | Kristyn Barfuss | 57-51 | Edmonton St. Joseph | |
| 15-16 | Taber W.R. Myers | Kenney Wood | 67-47 | Medicine Hat Monsignor McCoy | |
| 16-17 | Medicine Hat Monsignor McCoy | Janice Laing | 65-61 | Taber W.R. Myers | |
| 17-18 | Taber W.R. Myers | Kenney Wood | 63-53 | Spruce Grove St. Peter the Apostle | |
| 18-19 | Wetaskiwin | Chuck Hebert | 63-54 | Taber W.R. Myers | |
| 19-20 | CANCELLED | (covid-19 pandemic) | —– | Qualifiers undetermined | |
| 20-21 | CANCELLED | (covid-19 pandemic) | —– | ————————— | |
| 21-22 | Camrose | Josh Lyons | 78-60 | Brooks | |
| 22-23 | Strathmore | Dion Galandy | 75-45 | Sherwood Park Strathcona Christian | |
| 23-24 | Strathmore | Dion Galandy | 70-68 | Spruce Grove St. Peter the Apostle | |