Pictures pending – lists needs to be updated for 2019-20
| COSL Region | Principals association name (school division in brackets) | ||
|---|---|---|---|
| Brandon | BTA-COSL (Brandon) Sandy Harrison | ||
| DSFM | [ADEF] Association des Directions des Écoles Franco-Manitobaines (DSFM) Remi Lémoine | ||
| Interlake | Principals association name (Evergreen) Brad Harding | Principals association name (Lakeshore) Alison Martilla | Sunrise Leadership Association (Sunrise) Lonnie Liske |
| Louis Riel | Principals association name (Louis Riel) Susan Ciastko | Principals association name (Louis Riel) Joanne Decruyenaere | |
| Midwest | Principals association name (Park West and Pine Creek) Brenda Sikora | Rolling River Educational Administrative Leadership Team -COSL (Rolling River) Chad Stiles | |
| North West | MVTA -COSL (Mountain View,Swan Valley, Turtle River) Dale Anderson | ||
| Northern East | [TAPVP] Thompson Association of Principals and Vice Principals (Thompson) Donna Johnston | Principals association name (Frontier) Jacki Ludgate | |
| Northern West | [KAP] Kelsey Association of Principals (Flin Flon, Kelsey, Frontier) Kelly Wadelius | ||
| Pembina Trails | Pembina Trails Council of Educational Leaders PTCEL (Pembina Trails) Ruthanne Dyck | Pembina Trails Council of Educational Leaders PTCEL (Pembina Trails) Tanis Thiessen | |
| River East Transcona | River East Transcona Administrator's Council RETAC (River East Transcona) Pam Alexander | River East Transcona Administrator's Council RETAC (River East Transcona) Lorilee Woelcke | |
| Seven Oaks | Seven Oaks Administrators Association (Seven Oaks) Emanuel (Manny) Calisto | Seven Oaks Administrators Association (Seven Oaks) Fatumah Mbabaali | |
| South Central | Principals association name (Garden Valley, Western, Prairie Rose, Prairie Spirit, Portage La Prairie) Cecile Affleck | Principals association name (Garden Valley, Western, Prairie Rose, Prairie Spirit, Portage La Prairie) Tracy Vanstone | |
| South East (west) | Borderland Leadership team (Borderland, Red River Valley) Christopher Hicks / Scott Thomson | ||
| South East (east) | HCOSL, SRPA (Hanover,Seine River) Sherry Bestvater / Jayson Abraham | ||
| South West | Turtle Mountain Principal Association (Turtle Mountain) Stephanie Emberly | ||
| St. James Assiniboia | St. James-Assiniboia Chapter of COSL of MTS (St. James Assiniboia) Rex Ferguson-Baird | ||
| Winnipeg | Winnipeg Principals and Vice Principals Association WPVPA (Winnipeg) Manuel Silva | Winnipeg Principals and Vice Principals Association WPVPA (Winnipeg) Michelle Sacco | Winnipeg Principals and Vice Principals Association WPVPA (Winnipeg) Jude Guzzi |
| AMDI | Susanne Saiko-Gamble | ||
| MTS Staff | Roland Stankevicius Assistant General Secretary | ||
| MTS Executive Liaison | James Bedford Vice-President |