From Crabtree Valley Mall:

Take Glenwood West to Hilburn Drive. Turn right on Hilburn Drive and go straight through the light at Lynn Road. The first road on your right in the bus entrance. The main entrance to the the parking lot and carpool line is the second entrance marked by a Hilburn Academy sign. 

From I-540:

Take Glenwood East and turn left onto Lynn Road. Take a left at the second light onto Hilburn Drive. The first road on your right in the bus entrance. The main entrance to the the parking lot and carpool line is the second entrance marked by a Hilburn Academy sign.