I am using a CPA for my return. However I want to use Turbo Tax for my individual kids returns. Turbo Tax doesn't appear to have this?

You can set up separate accounts for each of them and do each return in their own account online.  

If any of them need more than the free version, you'be be better off buying the desktop/CD version because you can prepare and e-file 5 federal returns for free.   1 free state program comes with the federal product but you have to pay to 2-file a state, mailed state returns are free.