you may have a crystal child if s/he have difficulty making friends. but if s/he is an indigo child s/he shouldnt have any difficulty and will naturally gravitate towards other indigo children, but i believe a group would indeed be a great idea.
but i think more so for the parents, rather then the chhild.
though it would be fun, raising a child like myself must be stressful and difficult, I belive that the parents would benefit from knowing their not alone