school lines

YOU MUST :
 you must homework
 you must take care of school stuff
 you must respect others
 you must comply with the uniform
you must pay attention a class
YOU SHOULD:
you should not be rude
you should not scratch the school implements
you should not bring electronic equipment such as celulares mp3 etc
you should not bring your body piercing

you should not be rude to your teachers or mates