Deductions & credits

Since she is over the age of 16 the child tax credit no longer applies.  She is only eligible for the Other Dependent credit which is $500.

Go back and review your answers for the dependent.  You should have indicated that she lived in your home for the Whole Year since she is only temporarily away from the home for education.  Also, make sure that you indicated the she did NOT provide over one-half of her own support.