1. Prepare a designated notebook for each subject, or you can just use one notebook, but remember not to mix them up, separate them properly.
2. Every time you finish a chapter in class, make a summary about it, and don’t forget to write the key point of what you learned.
3. Review them once a week, just use the summary and key point, you only need to read from the notebook if you forget about something.
4. Create a mind maps, with image and graphics, this will help you review your lesson faster.
5. If you have time , try to get more information about a topic from the internet, library, and take a note about it, this will help you to understand about a topic better.
6. Set yourself a study time, choose time when you’re not tired, and less distracted.
7. Join a study group or create one, this will help you when you don’t understand about a particular problem in a subject and share ideas and thought about it.

Now you should feel confident about exams, now the following tips would cover about what you should do when you’re facing exams:

1. Mark the time of the exams on your calendar, so you can be prepared when the time comes.
2. Do a try out exams, you can do this with your study groups, every one to create a question, combine them and do them.
3. Get enough rest at night before the exams. seriously it is harder to concentrate when you don’t have enough sleep.
4. When studying, study the hardest one first, this is because if you study the easiest one first, then when you get to the hard part, you would be too tired, and combine with the facts that they’re hard it would be much much more harder to understand it.

Good luck.