Most of the kids in school just play on the computer. A lot more can be accomplished if the schools block webpages/domains at the router level
If they killed off myspace, facebook, all ports for chat programs they would save countless amounts of bandwith and maybe the kids will learn something.
At the college if I see a kid in class goofing off on myspace. I will wait until he leaves to go on break and then I have some fun with the hosts file
Watch his expression when he gets a 404 error on it. He's like
If I get promoted to run the servers/routers there in class, the first two domains that will be blocked are myspace and facebook. Class is to study, not play.
Myspace sucks.