Answer: Detention, inhouse, suspension or even getting expelled could be a result for violating such a rule.
Explanation:
Rules, such as dress code rule, are not as serious and are most likely to result in detention if you're dress coded too many times. For schools below high school, not paying class fees or fundraiser money could result in inhouse. Other violations or misbehavior can get you suspended. Rules that are zero-tolerance are rules like no weapons in school which, if violated, result in expelling the violator.
There is a growing concern over the physical fitness of children and adolescents because of growing obesity rates being the highest they've ever been I believe.