Past Championships
| Year | Champions | Runners-up | Semi-finalists | Venue |
| 2012 | Scotland | Wales | England & Philippines | Cape Town, South Africa |
| 2011 | Singapore | Australia | Scotland & Ireland | Dundee, Scotland |
| 2010 | Canada | England | Wales & Singapore | Doha, Qatar |
| 2009 | New Zealand | England | Greece & Singapore | Athens, Greece |
| 2008 | England | New Zealand | Greece & Scotland | Washington DC, United States |
| 2007 | Scotland | Singapore | Canada & England | Seoul, South Korea |
| 2006 | Australia | Ireland | Canada & Singapore | Cardiff, Wales |
| 2005 | Australia | England | Argentina & Pakistan | Calgary, Canada |
| 2004 | Australia | South Africa | England & Greece | Stuttgart, Germany |
| 2003 | Australia | Singapore | England & Scotland | Lima, Peru |
| 2002 | Ireland | Australia | England & Scotland | Singapore |
| 2001 | Australia | Scotland | Singapore & South Africa | Johannesburg, South Africa |
| 2000 | Australia | England | Israel & New Zealand | Pittsburgh, United States |
| 1999 | Scotland | England | Australia & United States | London, England |
| 1998 | Australia | Scotland | New Zealand & Peru | Jerusalem, Israel |
| 1997 | Australia | England | Pakistan & Singapore | Bermuda |
| 1996 | England | Pakistan | Scotland & Singapore | Canberra, Australia |
| 1995 | New Zealand | Scotland | Australia & England | Cardiff, Wales |
| 1994 | United States | Pakistan | Australia & Scotland | New Zealand |
| 1993 | England | Scotland | Medicine Hat, Canada | |
| 1992 | New Zealand | Scotland | London, England | |
| 1991 | New Zealand | Australia | Edinburgh, Scotland | |
| 1990 | Scotland | Australia | Winnipeg, Canada | |
| 1989 | not held | |||
| 1988 | Canada | Australia | Australia | |
Read more about this topic: World Schools Debating Championships