Generally, you can claim the deduction if all of the following requirements are met.
• Your filing status is any filing status except married filing separately.
• No one else is claiming you as a dependent on his or her tax return.
• You are legally obligated to pay interest on a qualified student loan.
• You paid interest on a qualified student loan.
From what you posted, not only can you claim the interest deduction but if he is your dependent he cannot.
