Class 12 Champions
| Year | Team | Notes |
|---|---|---|
| 1982 | Hobart Matriculation College | |
| 1995 | Guilford Young College | |
| 1996 | Guilford Young College | |
| 1997 | The Friends' School | |
| 1998 | The Friends' School | |
| 1999 | The Friends' School | |
| 2000 | Elizabeth College | |
| 2001 | Elizabeth College | |
| 2002 | Elizabeth College | |
| 2003 | Elizabeth College | |
| 2004 | Elizabeth College | |
| 2005 | The Friends' School | |
| 2006 | Elizabeth College | |
| 2007 | Elizabeth College | |
| 2011 | The Hutchins School | Runner-up: Hobart College |