From what I see because of his age, he could possibly fall under the qualifying relative rule, and not the qualifying child rule. Apparently, that negates any claims for education credits by the parents. Only the student can claim them. Of course, if not an undergraduate then the credits are very limited too. But like you said, the main thing is that he has no taxable income. Or if he does have taxable income, it must be less than $4000.
