Physics - Merida, Mexico 11-20 July 2009
Bronze: Cathryn McDonald, Immanuel College, SA
Silver: Thomas Lacy, Sydney Grammar School, NSW
Hon. Mention: Christopher Herron, Gosford High School, NSW
Withdrew: Robert Holt, Christ Church Grammar School, WA
Bronze: Fiona Naughton, North Sydney Girls' High School, NSW
Biology - Tsukuba, Japan 12-19 July 2009
Gold: James Woodmansey, Sydney Grammar School, NSW
Silver: Kristijan Jovanoski, Melbourne High School, VIC
Silver: Mel Chen, Brighton Grammar School, VIC
Gold: Thomas Brereton, North Sydney Boys High School, NSW
Chemistry - Cambridge, UK 18-27 July 2009
Silver: Jason Kong, Christ Church Grammar School, WA
Silver: Bill Huang, Melbourne High School, VIC
Silver: Fangzhi Jia, Northern Beaches Secondary College, NSW
Bronze: Kelvin Cheung, James Ruse Agricultural High School, NSW