tell them to fight hard for his rights. there are laws in pace to protect kids with disabilities even if we can't see what they are-my duaghter had issues at different levels of school because of spina bifida but we were blessed with a proncipal who gave us a book explaining that she had every right and then some to get whatever she needed to get her education Ultimately she finished high school online at home due to medical issues but if your child has an IEP plan in place that teacher should be disciplined and the idiot who didn't make the teacher aware of the IEP. Good luck and God Bless your grandson!!!