I say go to Sydney.
Check out the University of New South Wales in Sydney. ----->
www.unsw.edu.au
Immigration is very tough. If you want to stay in Australia after your school is over you will likely need to get a company to sponsor you so you can get permanent residence status (green card).
Read about it here ----->
www.immi.gov.au
All initial student visas granted do not provide for the holder to be granted permission to work in Australia. Students and their dependants will only be able to apply for a student visa with work rights after they arrive in Australia and the student has commenced their course of study.
Generally, students and their dependents are limited to 20 hours work per week while the student's course of study or training is in session. Students may work full-time during holiday periods.