1) the boys biological father might have something to say about that, and 2) again, simply saying 'NO' can get one arrested for disruption, obstruction, or even resisting.
Apparently the boy's biological father is nowhere to be seen. How's that for teabagger family values! Wonder why this pig won't adopt the kid and raise him properly? And, as I already pointed out, the father said his intention was to disrupt the school.