Aelex wrote:You american have your hour of P.E in the morning? It's quite strange. Here, we have them as the last classes of the day, usually from 15:00 to 17:00 or 16:00 to 18:00.
It's a viable tactic if you take a few moments to think about it. Exhaust them at the beginning of the day, that way they'll be pleasantly calm for the rest of the school hours.