The key to success to beat your own records and make sure keep beating them. This means to say that you should compete with your ownself, your own grades, and make sure for every test or examination, you'll get higher than your previous grade. It does not stop here, you should consistently beat your new records until you arrive at a point of time when you realize that you have subconsciously overtaken the rest. That is when you would feel the endless satisfaction you've never felt before in your whole life.