Next thing to consider is about the material. Be attentive about what you need to learn actually. Quality book is a must to get. What I want to recommend is to learn from certain developed and quality material from any different book out there. The way you think is also important if you want to conduct learning. Just apply certain way of thinking such as scientist. If you still gain difficulty in how to learn, you can simply call your teacher to gain better method to learn as well.
During the lessons, you need to take notes per notes in order to help you to conduct learning later at home. Learning to read is the key so we can understand. What you need to do is at least read the new material twice a day before and after the material was explained by the teacher. Because the brain will process the material three times better so you can gain better memory related to such material. Next, you need to realize that learning is not only the matter of memorizing but also the matter of understanding. It will be useless if you need only to remember the lessons but forget about the importance in understanding anything that you learn.