Exit the M25 at Junction 20. Take the A41 in the direction of Aylesbury. Exit on the Tring/Wiggington slip road. Take the Tring turning from the roundabout. Straight over the next roundabout (Tesco). At the next roundabout (Robin Hood pub) turn right. Take the first right into Mortimer Hill and Tring School is about 200 yards up on the left hand side.