First off, it is dangerous to the people on school grounds. If there were to be a person skateboarding and not paying attention, and they hit a walking bystander, there could be a serious injury. There was an incident reported at a high school in New Jersey were a kid was riding his skateboard and was going extremely fast and ended up hitting one of his teachers. The teacher broke her collar bone and the student suffered a concussion.
Secondly, These skate boards are very disrupting if they are being ridden in the school hallways. With all of the noise