Public school? If so, they don't get a choice of which kids to teach.

Our GT teacher had never had a special ed kid in some 30 years of teaching. That says to me: they're under-identifying the disabled gifted kids. I imagine this happens lots of places. Not surprising yours isn't experienced.

Our general strategy for teacher education (not just GT but any teacher):

--casually ask them how it's going, and when they complain offer them *one* useful strategy. Each time.

--offer them time with our private therapist to "share strategies", paid for by us, at their convenience

--get the special ed teacher to do his job of coordinating and leading the whole teacher team who deals with DS, and making sure all of them are following the IEP

--there is a person in the building who supervises the implementation of IEPs. Make sure this person learns of any issues you're having. This is a legal compliance/equal access issue, and they are supposed to fix it at once if it's affecting your DS in any tangible way.

--Get this person or the principal to send the GT teacher to continuing ed about autism and other special needs.

HTH
DeeDee