It's very common to see a substantial refund increase after entering Form 1098-T. The government offers two tax credits and a tax deduction for taxpayers who report qualified education expenses on their returns. TurboTax automatically determines which tax credit or deduction you're eligible for gives you the largest refund.
Please follow this link for more information. https://www.irs.gov/uac/tax-benefits-for-education-information-center
