Assigning tuition from 2 children to both parents

My wife and I have similar income. We have 2 children in university. How do we assign one to me and one to my wife? TurboTax will only assign both to one parent. 

Seniors and students

The first step is that your children must prepare their returns- and indicate whom they are transferring their tuition to. Click here to see how it is done.

The second step is the parents will complete their return and each parent will add the tuition transfer from the specific child- see here how to enter it.

Seniors and students

Did not work that way for us. Would not let us assign to separate parent.