General Hints

Take up first the subject you most dislike; once you have done this, rest of your work will be easy.
Do not hesitate to ask your teachers or your cleverer companions things you do not grasp clearly. Never leave difficulties unanswered as this will put you into greater difficulties later.
To make sure that you have understood something thoroughly, use these tricks.
a): Pretend that you are explaining the lesson to another; see if you can do it well.
b): Make yourself your own teacher and question yourself and answer honestly. (don't cheat.)
Do not continue working when you are tired; walk around the garden, or talk to a friend or have some other pleasant interruption, but only long enough to refresh. You finish your lessons and not tend to waste time.
Get enough exercise every day; it keeps the mind fresh.
Do not cut down necessary sleep in order to study; it will hurt you later on.
Lastly, pray often to the all wise and all-knowing God to help you make progress in your studies.