Howdy,
I’m an Aussie looking to study in states (currently in year 10 - Sophomore) and want to start SAT prep as soon as possible. If anyone has any links to some free online SAT and SAT subject tests that’d be awesome! I know there are quite a few SAT tests on the college board website and Khan Academy but looking for some others.
Cheers 
As you already mentioned, College Board has free tests available. Links to copyrighted material are not allowed. I suggest you find resources elsewhere, or buy some study guides such as Barron’s or Princeton Review, which will produce their own versions of the tests.
Closing thread.