I’m not Australian but just to orient you–there are far fewer Australians going to college in the US than, say, Canadians or UK students to begin with, and then LACs are not necessarily getting their fair share of those. Still, most prominent LACs like to have a lot of countries represented in their student bodies.
So whenever I have seen lists of students by country, Australia seems to be one of those countries where there might be like 1 to 4 students at a time at a prominent LAC.
I guess my point is there are in fact others out there, but their representation in a forum like this might be a little sparse.
As an aside, who knows, but possibly all this would make it somewhat advantageous to be an Australian applicant to these LACs, in the same sense it might be advantageous to be from a very low population US state.