Know their activities. Without knowing where they are going and who they are going with. Last level should be the easiest. It requires nothing more for us to act like parents and demand the respect that position deserves. Students that do not show respect towards their parents are on their way to some major obstacles in life.
Respect is a necessary part of life.
Whether in the classroom or the boardroom, the successful people are those that have learned the valuable life lesson of the respect for each other. This one has to begin at home. There is absolutely no way that a teacher or a coach can be successful with your child unless they are respectful. Demand it parents. Do your children a favor and set standards as well as limits for them.