How to improve your academic performance is as follows:

1. Before class, it is important to preview. This will help you understand the content of the teacher's new class.

2. When the teacher is giving a lecture, you should listen carefully even if you don’t understand, and take appropriate notes. Then you can find free resources to watch online classes after class, and continue to read today’s content again. If you don’t understand, Circle it, and then be sure to ask others to solve the problems you don’t understand.

3. Frequent review is very important. Human memory is forgetful. Frequent review can help you consolidate knowledge and make things clear that you didn't understand before.

4. Persistence is important. It takes 21 days to form a habit. When you exceed 21 days, you will slowly find that it will gradually become your habit.

5. You must do your homework seriously. Homework can consolidate knowledge, deepen understanding, and inspire one's thinking ability.

6. Develop good living habits. Allowing you to have sufficient sleep and energy can greatly reduce the chance of falling asleep during lectures. It will help you to listen to the teacher's lectures with more energy, keep your brain active, and be able to follow the teacher's progress to a certain extent.