The World Drill Association aims to train the Driller and the judge offering intense training in this modern adjudication system that offers true and accurate ranking, rating and feedback for competitors, improving the competition experience for all involved. This pamphlet is an adaptation for the WDA of four papers written for Winter Guard International and Drum Corps International: So, You Want to be a Judge (Shirlee Whitcombe) and, The Process of Assigning Scores; The Principle and Process of Achievement; and lastly, Accountability (George Oliviero). It also contains home studies for each caption. Shirlee and George have been John Marshall's judge mentors for many years now.