I will second the advice to wait and see what the DC's workload will be. DD was in school for a time after we moved and I intended to afterschool. However, with the length of the schoolday, the amount of homework, and afterschool activities, I had to let it go. It was just too much. My DD was a bit younger at the time than yours will be, so that may change things quite a bit.
Good luck to both of you!