The main requirements of Student Visa are listed below for your reference:
For ELICOS Students:
you are required to attend classes 20 hours per week,
you must attend at least 80% of the scheduled contact hours per week,
attendance will be marked through the day,
any students arriving late or leaving early will be marked absent for the time missed,
any student who is absent for 5 consecutive days of their course will be sent a letter requesting an explanation and documentary evidence supporting leave without approval,
students must achieve satisfactory academic progress and attendance requirements, and those failing to meet these requirements will be counselled ;
students failing academic progress or attendance requirements may be reported to the Immigration Department,
you must maintain Overseas Student Health Cover (OSHC) through the whole stay in Australia on a student visa;
students wanting to defer commencement of a course must request permission in writing on the prescribed form;
students are permitted to work only limited hours per week