Kurtz,
It is possible to study at one of the many excellent government school as an oveseas student. You will pay fees though I think. Overseas students who want to study at a government school in NSW should contact the Intenrational Student Centre at the NSW department of Education and Training
International Students Centre
PO Box 707
Broadway NSW 2007
Australia
email
isc@det.nsw.edu.au
www.schools.nsw.edu.au/gotoschool/intnl_students
There are various options available regarding accomodation including home stay - where you stay with a family or a relative of yours but they must be over the age of 21. Cost of homestay is usually between 200 -270 aussie a week (exchange rate about 5.7 with HK) there are private independent companies that arrange these homestays.The NSW department of Education and Training requires all students under the age of 18 years to have a guardian or carer. Becase of this the accomodation choices are limited to
living with relatives
liveing with a homestay family
living at boarding school