回复：讨论一下孩子运动的问题。。。。。。。。

My son is in high school. He spend more than 25 hours/week. of cours it affectes his grades. but he likes it and we ask him now that he got all B or up he can keep play it(his school is very good. 6 students got ACT perfect score in 500 students). he is 10th grade. he take AP class and all the best classes his school provide.