Past champions of the Donald Dewar Memorial Debating Tournament
| Year | Winner | Runner-Up | 
| 2025 | Nairn Academy | Broxburn Academy | 
| 2024 | Broxburn Academy | Balfron High School | 
| 2023 | Broxburn Academy | Balfron High School | 
| 2022 | Fortrose Academy | The High School of Glasgow | 
| 2021 | Peebles High School | Thurso High School | 
| 2020 | Peebles High School | Balfron High School | 
| 2019 | Bearsden Academy | Balfron High School | 
| 2018 | Peebles High School | Perth High School | 
| 2017 | Douglas Academy | High School of Dundee | 
| 2016 | Nairn Academy | Braes High School | 
| 2015 | Madras College | Prestwick Academy | 
| 2014 | Craigmount High School | Douglas Academy | 
| 2013 | Robert Gordon's College | Glenalmond College | 
| 2012 | Craigmount High School | Stewarts Melville College | 
| 2011 | Braes High School | Stewarts Melville College | 
| 2010 | The Glasgow Academy | Craigmount High School | 
| 2009 | The Glasgow Academy | George Heriot's School | 
| 2008 | Robert Gordon's College | High School of Dundee | 
| 2007 | Craigmount High School | High School of Dundee | 
| 2006 | Dollar Academy | Hutcheson's Grammar School | 
| 2005 | George Heriot's School | Robert Gordon's College |