Take Georgia Highway 155 North from McDonough for about 7 miles. Turn left onto Reagan Road. Then right into the school parking lot.
From I-75:
Take exit #228 (Hwy 138); follow highway 138 east to Stockbridge. Stay on Highway 138, as it turns right at Wal-Mart. Follow Highway 138 until you reach a 4 way stop at Georgia Highway 155 (10 miles from I-75). Turn right onto Highway 155 and go 2.8 miles to Reagan Road. Turn right onto Reagan Road. Then turn right into the school parking lot.