Start the session remembering that you are there because you want to learn or because you want to get high marks. If your motivation is not clear, it is very difficult to face the study successfully. Without this previous step, everything that follows is absurd. Your decision and dedication is the fundamental basis of the entire study process.
In order for the study session to be productive, it is necessary that you have maintained an active attention in class. It will help you to better understand what you are going to study and to know what is important for the exam and what is not. It will even save you study time.
Each person has their good or bad times for study. Think about the best moments for you. Avoid the moments when you are tired or aware of other things (work, family, etc.)
Once we start a possible sequence it would be this:
Take the test, assess, decide and take action: