The girls attend Fairfield Elementary School at 6201 S. Fairfield. Police believe the sisters did attend school then disapppeared until they were found safe Thursday morning.
Ariyell Bowman, 7, and sister Erica Davis, 14, are now back with their family.
The girls' grandmother said the sisters were found with their uncle.
The girls' grandmother said the sisters were last seen outside the school next to a white van, which had caused concern for their whereabouts.
The girls will be checked out at a hospital.