What can i do to perfect?

Ive been in school for 3 weeks now and i've had 3 papers, 5 quizzes, and 1 test already. Ive had to split up my time in 3 different sections including; classes, studying/homework and work. When studying or even doing work i highlight the important information that i would think is going to be on a quiz or test or simply something i should know. Many teachers recommend to stick post its in a book that yo may be reading so you can go back to it and refer examples or just to refresh your memory on what you read. Ive found this very helpful because you don't have to go back to much to find that information.
Ive never had many different studying habits, its been the same throughout my high school now college years. Ive tended to highlight a lot of my notes because i've found that to be very helpful whenever i study. Time management has changed a lot because in high school i didn't try as much as i do here. I find myself studying for hours when i can. I stay in the library most of the time because i need a quiet place to study and do my work. When i write too detailed i tend to skip over it because fits to much to memorize which is not useful. I cut down my notes a little so i can study the main parts of a sentence or phrase. 

Being a college student can be a bit easier as we all think if we divide our time right and dedicate ourselves to studying and doing everything properly. Ive taken a lot of notes in my classes so i can review them each day so when the time comes to have my test or quiz i know most of it so i wont have to take hours to study. Most important overall is to try my best in everything we do and learn as much as i can.