teachnsw.edu.au -- has some and you could get a guaranteed place with DEC later on.
NSWTF-- although could be highly competitive and need references.
Also there is one through the teachers credit union-- but I am not sure how that one really works.
Then you have your individual uni undergrad scholarships of which you can apply for.
Sometimes based on your local area-- certain councils have scholarships as well. Often it is best to look on the Unis website or conduct a search in google like NSW teaching scholarships.