What is the most important in children's education?

It is frequent to see more and more children behave rudely to others especially their parents in public places and hardly pay any passion and effort on their study these days. Someone may say this is the failure of education. This paper intends to find the reason why this kind of phenomenon becomes more and more frequent according to research three important factors closely associated with children's education, which are social education, family education and school education. At last, we concluded that family education is the most important in children's education and we suggest some advice to help parents educate their children.