81S to 581S; to Colonial Avenue exit; at end of ramp, take a right. At the third light (counting the one at the ramp) take a Left on Brandon Avenue. Stay in the right lane as the left lane will be a turning lane at Brambleton. Stay on Brandon ( 3 lights) till you get to Grandin Rd. Take a Left on Grandin Rd. The high school will be immediately on your left.