| Inv. # | Year | Champion | | 1 | 1989 | Bayview S.S. |
| 2 | 1990 | Williams |
| 3 | 1991 | Senator O'Connor |
| 4 | 1992 | St. Mary's H.S. |
| 5 | 1993 | St. Mary's H.S. |
| 6 | 1994 | J.F. Ross |
| 7 | 1995 | Guelph C.V.I. |
| 8 | 1996 | St. James C.S.S. |
| 9 | 1997 | St. Benedict C.S.S. |
| 10 | 1998 | St. Benedict C.S.S. |
| 11 | 1999 | Peterborough C.I. |
| 12 | 2000 | St. Benedict C.S.S. |
| 13 | 2001 | St. Benedict C.S.S. |
| 14 | 2002 | St. Benedict C.S.S. |
| 15 | 2003 | Cameron Heights C.I. |
| 16 | 2004 | North Park |
| 17 | 2005 | St. Marguerite d'Youville |
| 18 | 2006 | Catholic Central, Windsor |
| 19 | 2007 | Waterloo Collegiate Institute |
| 20 | 2008 | Forest Heights C.I. |
| 21 | 2009 | Loyola C.S.S., Mississauga |
| 22 | 2010 | Notre Dame |
| 23 | 2011 | Resurrection C.S.S. |
| 24 | 2012 | Notre Dame, Burlington |
| 25 | 2013 | St. Marguerite d'Youville |
| 26 | 2014 | St. Marguerite d'Youville |
| 27 | 2015 | St. Francis |
| 28 | 2016 | St. Benedict C.S.S. |
| 29 | 2017 | St. Benedict C.S.S. |
| 30 | 2018 | St. Benedict C.S.S. |
| 31 | 2019 | St. Benedict C.S.S. |