Here are the schools participating in the 2023 Heinbuch Classic. Click on the school’s name to see the roster for that team.
| SCHOOL | CITY | HEAD COACH | |||
| A.B. Lucas S.S. | London | Stephaine Grozelle | |||
| Brantford C.I. | Brantford | Patrick Lowen | |||
| Centennial C.V.I. | Guelph | Rob Conroy | |||
| Forest Heights C.I. | Kitchener | Scott Robertson | |||
| Glebe C.I. | Ottawa | Al Overwijk | |||
| Grand River C.I. | Kitchener | Tolly Henderson | |||
| Holy Names C.H.S. | Windsor | Ryan Steer | |||
| Kingston S.S. | Kingston | Calum Steele | |||
| Monsignor Doyle C.S.S. | Cambridge | Alexander Moura | |||
| Northern C.I. | Sarnia | Chris Jones | |||
| North Park C.V.S. | Brantford | Todd Andrew | |||
| Oakwood C.I. | Toronto | Anthony Miller | |||
| Resurrection C.S.S. | Kitchener | Jeff Colley | |||
| Robert F. Hall C.S.S. | Caledon East | Michael Mackenzie | |||
| St. Michael’s C.S. | Toronto | Kirt Charter | |||
| Timmins H.V.S. | Timmins | Peter Graham |