The advantage is that parents can teach their children. And the environment is free from temptation. Do not feel pressured. Make children concentrate on learning. Academic performance is better as well.
The advantage is that the parents can teach children and children are free from alluring environment. Not result in pressure makes the children concentrate on school. Study results will be good.
The advantage is you can teach your child's own parents and children, it will be free from environmental coquetry was not feeling pressure children to focus on learning, the more they study, the results will be better.