I don't know how NC is but here kids start Pre-K at age 4 they can't start at age 4 if their birthday is after September 1. They start kindergarten at age 5 if birthday is before september 1. So, if she lived here she would definately be in kindergarten.
but NC is a state where K isnt mandated, meaning they dont HAVE to go...but they have to be able to test into the 1st grade before they turn 7