Single-A schools are any rural school with a student population of less than 125 in grades 9-12.
| YEAR | CHAMPION | COACH | FINAL | RUNNER-UP |
| 73-74 | Sprague Ross L. Gray | Terry Gotziaman | 33-32 | Riverton |
| 74-75 | Sprague Ross L. Gray | Terry Gotziaman | 59-10 | Shoal Lake |
| 75-76 | Hamiota | Lorna Robertson | 42-19 | Fisher Branch |
| 76-77 | Fisher Branch | 26-21 | Sprague Ross L. Gray | |
| 77-78 | Sprague Ross L. Gray | Terry Gotziaman | 44-41 | Hartney |
| 78-79 | Winnipeg Westgate Mennonite | Frank Enns | 77-64 | Sprague Ross L. Gray |
| 79-80 | Hamiota | Bruce Lyons Jim Cockburn | 70-64 | Sprague Ross L. Gray |
| 80-81 | Lorette | Ken Carriere | 42-35 | Hartney |
| 81-82 | Sprague Ross L. Gray | Terry Gotziaman | 60-45 | Treherne |
| 82-83 | Sprague Ross L. Gray | Mark Gadient | 53-50 | Hartney |
| 83-84 | Souris | Lee Cummings | 52-34 | Lac Du Bonnet |
| 84-85 | Souris | Lee Cummings | 65-41 | Shilo Princess Elizabeth |
| 85-86 | Elie St. Paul’s | Court Reyda Richard Kleban | 58-41 | Hamiota |
| 86-87 | Hamiota | Lorna Robertson | 54-27 | Treherne |
| 87-88 | Hamiota | Lorna Robertson | 78-43 | Boissevain |
| 88-89 | Sprague Ross L. Gray | John Bukich | 41-37 | Souris |
| 89-90 | Hamiota | Bruce Holden | 59-53 | Treherne |
| 90-91 | Hamiota | Bruce Holden | 64-49 | Treherne |
| 91-92 | Hamiota | Lorna Robertson | 47-45 | St. Laurent |
| 92-93 | Hamiota | Lorna Robertson | 51-47 | St. Laurent |
| 93-94 | Hamiota | Lorna Robertson | 72-56 | Treherne |
| 94-95 | Treherne | Jim Hoger | 57-53 | Hamiota |
| 95-96 | Pilot Mound | Ruth Loney | 57-55 | Boissevain |
| 96-97 | Treherne | Jim Hoger John Tate | 73-61 | Hamiota |
| 97-98 | Treherne | Jim Hoger John Tate | 61-31 | Shoal Lake |
| 98-99 | Treherne | Jim Hoger | 66-65 | Hamiota |
| 99-00 | Treherne | Jim Hoger | 43-37 | Hamiota |
| 00-01 | Hamiota | Lorna Robertson | 59-30 | Carberry |
| 01-02 | Hamiota | Leanne Gregory Myra Gregory | 70-50 | Grandview |
| 02-03 | Treherne | Jim Hoger John Tate | 65-61 | Glenboro |
| 03-04 | Glenboro | Sharon Prost | 77-63 | Treherne |
| 04-05 | Glenboro | Sharon Prost | 61-43 | Strathclair |
| 05-06 | Glenboro | Sharon Prost | 54-41 | Strathclair |
| 06-07 | Glenboro | Sharon Prost | 48-47 | Strathclair |
| 07-08 | Grandview | 61-49 | Treherne | |
| 08-09 | Glenboro | Sharon Prost | 42-40 | Treherne |
| 09-10 | Treherne | David Matskiw John Tate | 69-35 | Grandview |
| 10-11 | Elm Creek | James Ballantyne | 62-54 | Hamiota |
| 11-12 | Hamiota | Jon Zilkey | 60-43 | Glenboro |
| 12-13 | Hamiota | Jon Zilkey | 58-38 | Treherne |
| 13-14 | Hamiota | Jon Zilkey | 60-59 | Glenboro |
| 14-15 | Sprague Ross L. Gray | Darryl Pederson | 59-46 | Grandview |
| 15-16 | Sprague Ross L. Gray | Darryl Pederson | 66-46 | Grandview |
| 16-17 | Sprague Ross L. Gray | Darryl Pederson | 65-50 | Grandview |
| 17-18 | Boissevain | Keith Forsyth / Jason Billaney | 62-58 | Vita Shevchenko |
| 18-19 | Boissevain | Keith Forsyth | 80-47 | Rosenort |
| 19-20 | CANCELLED | (covid-19 pandemic) | —– | —————- |
| 20-21 | CANCELLED | (covid-19 pandemic) | —– | —————- |
| 21-22 | Glenboro/Baldur | Ryan Zadorozny / Devin Mclean | 81-29 | Grandview |
| 22-23 | Glenboro/Baldur | Ryan Zadorozny | 66-32 | Ste. Rose |
| 23-24 | Glenboro/Baldur | Ryan Zadorozny | 47-37 | Ste. Rose |
| 24-25 | Rosenort | Jared Dueck | 65-35 | Ste. Rose |