Hello dear student,

if you want to go to Australia for further higher studies then definitely you can appear in this exam as the full form of ISAT is international student admission test 3 hour computer based multiple choice test designed assess a candidates intellectual skills and abilities that are the foundation of academic success at tertiary level. This test is developed by Australian council for educational research. while for you for the information I am here attaching a link from where you can get the for the information about international student admission test and I hope that will be helpful for you. https://isat.acer.org/aboabout-isat

Best wishes