It doesn't need a genius to make good grade at class, you just have to be diligent and take your best effort on studying, here are few tips to help you manage your study: Prepare a designated notebook for each subject, or you can just use one notebook, but remember not to mix them up, separate them properly. Every time you finish a chapter in class, make a summary about it, and don't forget to write the key point of what you learned. Review them once a week, just use the summary and key point, you only need to read from the notebook if you forget about something. Create a mind maps, with image and graphics, this will help you review your lesson faster. If you have time , try to get more information about a topic from the internet, library, and take a note [+]