| 1956 | Heathdale Christian College | Werribee | Psychology | 3 |
| 1957 | Heritage College Narre Warren South | Narre Warren South | Further Mathematics | 3 |
| 1958 | Highvale Secondary College | Glen Waverley | English | 3 |
| 1959 | Highvale Secondary College | Glen Waverley | Media | 3 |
| 1960 | Hillcrest Christian College | Clyde North | English | 3 |
| 1961 | Hoppers Crossing Secondary College | Hoppers Crossing | Media | 3 |
| 1962 | Huntingtower School | Mount Waverley | Art | 3 |
| 1963 | Huntingtower School | Mount Waverley | Visual Communication Design | 3 |
| 1964 | Ilim College of Australia | Broadmeadows | Languages: Turkish | 3 |
| 1965 | Ivanhoe Girls Grammar School | Ivanhoe | Literature | 3 |
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| 1966 | Ivanhoe Girls Grammar School | Ivanhoe | Physics | 3 |
| 1967 | Ivanhoe Grammar School Plenty | Doreen | Legal Studies | 3 |
| 1968 | Kambrya College | Berwick | English | 3 |
| 1969 | Kardinia International College | Bell Post Hill | Biology | 3 |
| 1970 | Kardinia International College | Bell Post Hill | Chemistry | 3 |
| 1971 | Kardinia International College | Bell Post Hill | Mathematical Methods (CAS) | 3 |
| 1972 | Kardinia International College | Bell Post Hill | Physical Education | 3 |
| 1973 | Kardinia International College | Bell Post Hill | Visual Communication Design | 3 |
| 1974 | Keilor Downs College | Keilor Downs | English | 3 |
| 1975 | Kew High School | Kew East | Biology | 3 |
| 1976 | Kew High School | Kew East | Chemistry | 3 |
| 1977 | Kew High School | Kew East | Physics | 3 |
| 1978 | Keysborough Secondary College Springvale | Springvale | English | 3 |
| 1979 | Kilbreda College | Mentone | History: Revolutions | 3 |
| 1980 | Killester College | Springvale | Psychology | 3 |
| 1981 | Kilvington Grammar School | Ormond | Chemistry | 3 |
| 1982 | Kilvington Grammar School | Ormond | History: Revolutions | 3 |
| 1983 | Kingswood College | Box Hill | IT Applications | 3 |
| 1984 | Kingswood College | Box Hill | Psychology | 3 |
| 1985 | Koonung Secondary College | Mont Albert North | Business Management | 3 |
| 1986 | Koonung Secondary College | Mont Albert North | English | 3 |
| 1987 | Korowa Anglican Girls School | Glen Iris | Art | 3 |
| 1988 | Korowa Anglican Girls School | Glen Iris | Business Management | 3 |
| 1989 | Korowa Anglican Girls School | Glen Iris | Health and Human Development | 3 |
| 1990 | Korowa Anglican Girls School | Glen Iris | Visual Communication Design | 3 |
| 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 |
| 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 |
Last Updated: 9 Sep 2023