Australia has once again raised visa fees for international students, with the application fee for higher education reaching A$2,500 (US$1,723), the highest among all "Big Four" study destinations.

Temporary graduate visas up A$1,150 and most student visas up A$500 in latest surprise hikes

The government has quietly raised the application cost by 25 per cent for most visa classes, as educational organisations fume about the lack of consultation.