just in case you were to move to qld

kindy is optional generally child starts at 4 but depends when born as they go from july1 - june 30

ok on your childs birthdate would do kindy in 2014
prep 2015 (not compulsary ybut i dont know anyone who hasn't sent child)
grade 1 in 2016 primary is thru to year 7 at present
highschool is yr 8 thru 12