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 |