In most cases, international students are required to provide evidence of their English language proficiency as a prerequisite for admission to universities in Australia. The most commonly accepted test for English language proficiency is the International English Language Testing System (IELTS).
However, there are some universities in Australia that may waive the IELTS requirement under certain circumstances. For example, some universities may accept other English language proficiency tests such as TOEFL or PTE Academic, or they may accept evidence of English language proficiency from previous academic study in English-speaking countries.
Additionally, some universities may waive the English language proficiency requirement for international students who have completed their previous education in English or for those who have spent a certain amount of time in an English-speaking country.
It is important to note that each university in Australia has its own admission requirements and policies, so you should check with the specific universities you are interested in to see if they have any alternative options to meet the English language proficiency requirement.