| 1991 | Korumburra Secondary College | Korumburra | Food and Technology | 3 |
| 1992 | Kyabram Secondary College | Kyabram | Health and Human Development | 3 |
| 1993 | Kyabram Secondary College | Kyabram | Legal Studies | 3 |
| 1994 | Lac Viet Vietnamese Language School | Hoppers Crossing | Languages: Vietnamese | 3 |
| 1995 | Lakeview Senior College | Caroline Springs | Biology | 3 |
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| 1996 | Lakeview Senior College | Caroline Springs | English | 3 |
| 1997 | Lauriston Girls School | Armadale | Business Management | 3 |
| 1998 | Lauriston Girls School | Armadale | Literature | 3 |
| 1999 | Lauriston Girls School | Armadale | Theatre Studies | 3 |
| 2000 | Lauriston Girls School | Armadale | Visual Communication Design | 3 |
| 2001 | Leibler Yavneh College | Elsternwick | Biology | 3 |
| 2002 | Leibler Yavneh College | Elsternwick | Specialist Mathematics | 3 |
| 2003 | Lilydale High School | Lilydale | Media | 3 |
| 2004 | Loreto College | Ballarat | Design and Technology | 3 |
| 2005 | Loreto College | Ballarat | Further Mathematics | 3 |
| 2006 | Loreto Mandeville Hall | Toorak | Further Mathematics | 3 |
| 2007 | Loreto Mandeville Hall | Toorak | Physics | 3 |
| 2008 | Loreto Mandeville Hall | Toorak | Specialist Mathematics | 3 |
| 2009 | Lowther Hall Anglican Grammar School | Essendon | Business Management | 3 |
| 2010 | Lowther Hall Anglican Grammar School | Essendon | Food and Technology | 3 |
| 2011 | Lowther Hall Anglican Grammar School | Essendon | History: Revolutions | 3 |
| 2012 | Lowther Hall Anglican Grammar School | Essendon | Languages: Japanese Second Language | 3 |
| 2013 | Lowther Hall Anglican Grammar School | Essendon | Mathematical Methods (CAS) | 3 |
| 2014 | Loyola College | Watsonia | Studio Arts | 3 |
| 2015 | Loyola College | Watsonia | Visual Communication Design | 3 |
Last Updated: 9 Sep 2023