As a perfect student,I think it's necessary to obey the school rules,ok,we can learn from many examples,many thugs had been a student who were againest the rules,the rules,tell us to be a diligent,hard working,and polite man,only if you own these advantages,you can have the ablity to success,when we were children,our parents told us,be polite,don't spilt everywhere,and do your homework on time,and so on,in fact,these all are we hate and we always don't want to do like this,when it comes to be polite,well,if you want to get on well with your surrounding people,you'd better do it,if you want tobe looked down upon by others,well ,you can spit in the public,and if you want to be a bad student and be worried by your parents ,well,it's none of your business to do your homeweok,so if you want to succeed ,if you want to bulid a good relationship with your surrounding,if you want to be a good child,so please obey the school rules,that's all,thank you