In one sentence, describe what the following article is about:

This is particularly important if you are studying a topic you have never studied before. By doing this, you will get some background knowledge on the subject, which will make lessons easier for you during term time. You can just read the books or take notes as you go along- it's up to you. Also, make sure your study area at home is tidy and organized. They can offer you extra help. If you don't understand something, just ask. It doesn't matter how long you spend on something if you don't understand it. If the teacher knows that you want to learn by getting extra help, he or she will give you a point maybe if you are on a border line grade. Many schools give these for free. Write down not only what day you have a big test or assignment due, but also days on which you will devote a block of study time to preparation for the test or the the assignment.

Summary:
Collect some revision books over the summer holidays and start reading through them. Make sure you have all your pencils, pens and the like together for the start of the next school term in order to get the best start. Let parents and friends know that you are trying to improve your grades. Get to know the teacher. Get and use a monthly planner.