English Use ur exercise books, practice a lot of questions from ur previous model exams, worksheets and matric sheets... know how the exam is organized and what type of questions typically appear... Math Use ur text book, practice a lot of questions from model exams, worksheets, and matric sheets SAT Do questions of previous matric sheets.....and know the exam content and how the questions are organized Civics Use ur exercise book and use textbook as reference and to read the things written in boxes on it... do questions... Biology, physics, chemistry The text book is very important... don't try to memorize everything but know the concepts and when u repeat it, u will grasp more details... also do questions....