Some children are caring people as they understand their parents who are working very hard to support them in finance, while a number of chinese students are enjoying the 'freedom' in Australia.
You're a good boy since you have your goals and you're trying to achieve.
Below tips might help you:
# Do preliminary study before your lessons;
# Clarify questions whenever you can;
# Sit besides native english speakers at class;
# Always keep in touch with your teachers;
# Talk to australian kids at breaks.