For Stony Brook, which is one of his choices, he will not be in-state after graduation. Please see the following and open the Express Application document.
OP will have to check the residency requirement for each school s/he is considering and apply accordingly.
See your GC, when you get in school. They can contact the schools directly. In addition they can ask the question of how to handle it at the SUNY meeting which is taking place in September/October.