Mitchell is from Geurie, NSW, near Dubbo, and is in Year 12, at St Ignatius Riverview, Sydney. received the 2011 Professor Mick Dodson and General Peter Cosgrove Scholarship for Leadership. Mitchell led the Australian Junior Polocrosse Team to South Africa in 2010 and represents his school in Rugby and Water Polo. He is also a member of the Rugby Development Squad at the Australian Institute of Sport. In 2012 he will be a Boarding House Proctor (Prefect) and is a House Vice Captain. His Benefactors are Duntroon graduates Glenn Crosland (1977), John and Jennifer Hands (1973) and Nicolas McLeod.