Nothing about the student loan is entered in TurboTax (TT) or the IRS tax forms, on either your tax return or his.
Since he is your dependent, you are allowed to claim the education credit on your tax return, even though he was the one to pay the expenses.
Although the general rule, in taxes, is that you must be the one making the payment, to get the deduction or credit, there is an exception for education.
