关于校规的(about the school rules):As a student,when you at school,you should obey the school rules.For example,you shouldn't be late for school,if you do,you must explain the reasons for your teachers.Secondly,you must hand in your homewok on time,and it's a good habit for you.thirdly,you aren't allowed to running and shouting anywhere,especially in the class,you should listen to the teacher carefully.In a word,when in school,do as a student do.