I would first define the problems such as writing down assignments, turning in homework etc. and combat each problem one at a time. You can ask for accommodations such as typing or another students could take their notes during class on "carbon paper" and your child could receive a copy of it. Turning in homework could be worked with teachers such as a folder your child carries to all classes and hands to teacher. None of these would be disruptive to the class and requires a small amount of understanding and co-operation.

Our school uses online progress book where I can check homework assignments and grades every day if needed. It all comes down to teachers wanting to work with you or expecting your child just joining GT classes without any regard to his 2E. I think leaving him in GT classes would be better and working with the school to come up with a workable solution. Each child is unique and the school can't just expect to accommodate one aspect of a 2E child.

I hope it all works out for you!

Jen