Aussie students in Perth who want to study there have six weeks to do so, according to the Department of Immigration.
The visa application process starts at 12:01am on Tuesday and ends at 10:59pm on Thursday.
Students who have been living in Perth for six weeks or more can apply for a visa before their first semester of school begins.
Under the visa rules, students who wish to study at Perth’s University of Technology must apply by the first day of classes in the next term.
Applications for student visas will be sent to Perth’s universities from the department of Immigration on Tuesday.
There are currently about 15,000 Australians studying in Perth.
The Perth Institute of International Studies (PIIS) estimates that up to half of the graduates who come to the city each year will study in Australia.