Are there any specific tests that I would need to take to apply to schools in Australia from the US

Are there any specific tests that I would need to take to apply to schools in Australia from the US?
Can the SAT be used? I'm guessing the ACT can't seeing as that is "American College Testing".
Higher Education (University +) - 1 Answers
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I don't know. Just stay in the United States, we have better schools!