If you do not even know about 529 plans, it is a safe bet that you did not use one to pay for the tuition. So, sorry, the tuition is not deductible on your tax return as an education expense.
BUT....wait.....the 7 year old is school age. Were the little ones -- 3 and 5 year old ones-- attending so that you and a spouse could work? If so, you can enter the cost as a daycare expense for the childcare credit.
https://ttlc.intuit.com/turbotax-support/en-us/help-article/taxation/child-dependent-care-credit/L8h...
Federal>Deductions and Credits>You and Your Family>Child and Dependent Care Credit
https://www.irs.gov/help/ita/am-i-eligible-to-claim-the-child-and-dependent-care-credit
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
