When you study and do homework, try to find a quiet place to do it. I was the worst offender of this while in school. I used to listen to music all of the time while trying to do homework. I'd also listen to the TV as 'background noise" while studying. Over time I realized that if I had a quiet place without the background noise, I could focus much better. What I found is that when reading, for example...I would have to read something perhaps 3 or 4 times if I was listening to something else but only once if I had some quiet. People love to listen to music while studying, but I am convinced that it is much more effective if you don't.