Admission at postgraduate level with 5.5 bands in IELTS is quite difficult but if you want admission at undergraduate level then there are plenty of programs you can join. The programs you are eligible to join are: BEng, BBS, BSc, BIT, BEd, BTour, Bcom…. The IELTS band score requirement may vary depending upon institution you choose. 5.5 IELTS band score is minimum requirement at few Australian universities. At most of the universities, you must have at least 6.0 band score in IELTS for admission.