Australia
- 2016: Risini Gamage, NSW.
- 2015: Onur Tanglay, NSW. Runner-up: Nebula Chowdhury, VIC.
- 2014: Jade Pham, NSW. Jade went on to win Round 4, the International Brain Bee Competition. Runner-up: Rajan Venkataraman, VIC
- 2013: Eva Wang, QLD. Runner-up: Ricky Chung, NSW
- 2012: Jackson Huang, QLD. Jackson went on to win Round 4, the International Brain Bee Competition. Runner-up: Zelda Perri, VIC
- 2011: Teresa Tang, QLD. Teresa went on to win Round 4, the International Brain Bee Competition. Runner-up: Ashly Vu, ACT
- 2010: Ben Thompson, ACT. Runner-up: Wasiul Hoque, NSW
- 2009: Uma Jha, WA. Runner-up: Andrew Li, NSW
- 2008: Jayson Jeganathan, NSW. Runner-up: Casey Linton, QLD
- 2007: Quinn McGennisken, VIC
- 2006: Tim Mews, QLD. Runner-up: Katelin Haynes, QLD
New Zealand
- 2016: Stefan Ivanov, NI. Runner-up: Daniel Wei, SI.
- 2015: Matthew Z.M. Fulton, NI. Runner-up: Kate Jenkins, SI.
- 2014: Nicholas Kondal, NI.
- 2013: Thomas Chang, NI. Runner-up: Luke Gellen, SI.
- 2012: Jiantao Shen, NI. Runner-up: Ja Won Kim, SI.
- 2011: Byung Cheol Cho, NI. Runner-up: Connor Clemett, SI.
- 2010: Rachel Wiltshire, NI. Runner-up: Kerstin McEwan, SI.
- 2009: Kate Burgess, NI. Runner-up: Tharun Sonti, SI.
- 2008: Stephen Mackerath, NI. Runner-up: Kieran Bunn, SI.
- 2007: William Zhang, NI. Runner-up: George Shand, SI.