The kids receive homework from their school. The educators and teachers give the assignment to make sure they learn at home. It is the main purpose why most education system has homework. Even though you find few exceptions, there is no solid replacement until today. They come and learn in the school since morning until afternoon. It is long period but not enough to master something. As solution, homework is necessary to ensure they learn. The educators rely on parents to supervise. The kids utilize every resource they can get including help from parents and siblings. Friends are also good references and they may study together if the place is close. Today, the best source to find answer is internet….