The above-the-line deduction for tuition and fees for higher education can be claimed by a taxpayer only for him/herself, spouse, or dependent. If your grandchild is your dependent, then you qualify for the deduction. For gift tax purposes, payments of tuition directly to an educational institution are exempt from gift tax, regardless of amount.
Net income after claiming all deductions from gross income and adjusted gross income, such as IRA deductions, itemized deductions, or the standard deduction, and personal exemptions.