since the minimum number of subjects for the hsc is 4, that would mean 20 hours and that's just the week days. Well, my crazy maths teacher, who used to teach at an equally crazy selective school is always depressing us by saying that from ahhh two months ago, we should be doing 5 hrs on weeknights and double that for the weekends (yep, 10hrs sat AND sun). The funny thing is, apart from tha fact that this adds up to 45hrs per week ( a full time job, apart from school), that this is apparently the LEAST we should be doin. hahaha nutcase