RE: "Depending on the answers to these questions, and probably many more I haven't thought of, very low functioning autistic perhaps?" Yeah, I thought autism too. But certainly doesn't have to be very low autism. When my son got into biting phases (still does at 14 sometimes, but mostly to pencils and other stuff, still he did bite one staff last year) it is ALWAYS when he has something painful in his mouth. Canker sore, tooth ache, sore throat...etc. At his older age he bites people only if he is stressed by something plus has the pain. Usually just bites the clothes they wear. If this child is from a limited family, do they get dental care for her? Kids who are sensory seeking will often want that deep pressure kind of biting and it is not connected with wanting to hurt someone, they dont even understand what will happen emotionally to another--and they dont care-it is just off their radar, they just do it to satisfy their own wants and needs. She may be chronologically 4 but I doubt she is developmentally 4. Sounds like she needs very structured, highly trained behavioral aides...not just somone to keep her away from others. Many biters are given "chewies" like baby teething rings, surgical tubing on a string, etc. to help them to redirect their biting. My son also gets gum to chew. I would NEVER EVER let him to be in a situation where he continues to bite and hurt people-for their sakes. He can't make that call but I can, no matter if he meant to hurt them or not, everyone has a right to work and go to school and feel safe. Safety issues are where I draw the line and support the school (in doing appropriate things) fully. I actually go to the school and stay there when new interventions start to make sure if they need me I am there in a second. I dont shadow them or interfere, I work in other classes or library and they can grab me or bring him to me if needed.
About that daycare....really???, you can't discuss a legitimate concern about a student without losing your job? Wow, I would be scared to have my kid there. Can you say a general statement like, you know, I heard these ideas if we ever have a student who bites in our school. .... I hate having to play games like that, I understand confidentiality but if you are actually teaching her at any time....OR walking down the same halls as she is (my son used to not tolerate people close to him so staff was to walk with their hands in front of them not hanging at their sides or he might grab them, scratch or whatever...he was so sensory overloaded at that time, luckily it only lasted a few months) as long as it is done privately, I dont understand that. So sorry for you and for her whatever is wrong with her...