If you're looking to study at one of the best international schools in Australia, there are a few things you'll need to take into account. First, most international schools will require that you have a student visa. Secondly, you'll need to prove that you have the financial means to support yourself during your studies. Finally, you'll need to meet the school's English language requirements, which may include taking a language proficiency test such as the IELTS or TOEFL.