Also, with a late September birthday and a 9/1 cutoff, he's not really that much younger than the first graders who have summer birthdays. I'm sure you have considered this - the rule, after all, is arbitrary. In another state, you could easily enroll him.

It would seem a disservice to a child who has mastered the K curriculum (who in fact, just completed K) to not at least have a conversation with the school district.