You won’t receive that money back as a refund since the student loan interest deduction isn't a tax credit, but taking ... You should receive Form 1098-E from your lender if you paid $600 ...
Disclosures: TurboTax Free Edition is for simple Form 1040 returns only (no schedules except for Earned Income Tax Credit, Child Tax Credit and Student Loan Interest). Roughly 37% of filers qualify.