IELTS score must be Indivudal 4.5 and not overall 4.5
SEE WHAT DIAC SAYS Below
English requirements for secondary applicants
Level of English Evidence required
You must provide one of the following:
•your IELTS TRF Number to show you have a band score of at least four and a half (4.5) based on all four components.
Important: If you are using an IELTS test to show functional English, it must be from a test sat no more than 12 months before making your application.
•evidence that you have a degree, diploma or trade qualification requiring at least two (2) years of full time study or training with all instruction conducted in English
•evidence that you have completed at least one (1) year of full time study in Australia towards a degree or diploma qualification with all instruction conducted in English
•evidence that you have completed one of the following at an educational institution where all instruction was conducted in English:
◦your primary education and at least three (3) years of secondary education, or
◦at least five (5) years of secondary education.