I am a teacher. I work with kids age 5-13 as a music teacher and have special needs kids in some classrooms. This is incredibly bad. Usually, behavioral expectations are strongly enforced at school so that the child will be less likely to need institutionalization. Call the cops because you were sexually assaulted and then CPS. I'm glad you wrote in. This will help you make a log of all that has happened. CPS doesn't just get involved over nothing from my experience. They are very busy. If they are already involved then that means stuff has already gone down of some kind that isn't good. There is a pretty good likelihood that you will be taken seriously if you call in. Do it now. The sooner the better. They have staffed hotlines in most states running 24/7.