How to study well for an exam ? 

There are several things you can do to prepare for an exam.1. don't cram the night before2. try to avoid distractions3. study with other people4. ask the teacher for help throughout the semester/year5. if you have taken good notes, study from them6. outline your chapters throughout the year7. use other sources to help you study if you are still confused about a certain thing8. if your teacher has given you a study guide use that to help you prepare for the exam9. visualize successHopefully this helps.

Have a really good night's sleep, also go over the most important topics, the one's where there are many things that branch off from it. Also eat a really healthy breakfeast. And try to stay calm, the more stressed you will be, the harder the exam will be