Form 1098-T is entered onto Form 8863. Forms are listed in the top left and bottom right-hand corners of each applicable page. 

For more information see: About Form 8863, Education Credits (American Opportunity and Lifetime Learning Credits)

Go through the entire education interview until you reach a screen titled "Your Education Expenses Summary".  Click edit next to the student's name. That should take you to a screen “Here’s your Education Summary”. Click edit next to the section you want to change; tuition, in your case (click edit next to the school name).