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

These will help you to retain the information and is useful to draw on in case you forget what something means. After the mid-year examinations, work on improving your grades. For example, if you get a C in physics (or biology or chemistry), work on getting at least a B; if you get a B in maths, try to work harder for getting an A and so on. Note: English is a language that you can't study. The only thing you can do to improve your skills is to read stories, books, magazines, newspapers etc. See "reading voraciously" as a strategy in Section One. Try to focus, even if you find that this is easier said than done. This is very helpful and could help you overcome any problems that arise.

Summary:
Listen to the teacher's explanation throughout the whole year. Use the mid-year examinations to pinpoint your progress thus far. Keep concentrating in class, keep doing your homework and keep studying at home. Study in groups with friends.