tbh in the first two terms i did about 3 hrs a WEEK,
maybe a little more if i had an assessment.
in the hols before trials i did 4-5 hrs a day, and then 3 a day during the exams....
and then when it got to the real hsc i was doing 4-5 hrs for the 2nd week of hols and first 2 weeks of exams
now...