Studying is a skill that can be developed over time. The more you put into it, the more you will get out of it. You can improve these abilities so that you can learn new info and be able to preserve this knowledge and get better grades.
The first thing you have to focus on if you want to do well with your study plan is to get all your supplies together. So designate a location, after which use it to store anything relevant to the exam, from textbooks to practice tests to course notes, in that spot.