The question about homework in schools is topical for several years. Students, teachers and the government are talking about it. However, this problem is still not resolved.
On the one hand, homework improves the success. When you do your homework you can check what you have understood and what have not. After that you can go to the teacher and ask some concrete questions. Also, you can learn how to be independent. Homework accustomed students to discipline because students know that you should do your responsibilities.