Mr. George Van Ness Dearborn in an article' in the Scientific American Supplement for August 25, 1917, enumerated those qualities which he considered essential to leadership. He summarized by stating that intelligence, of course, underlies ability in leadership. He further stated that every normal being is potentially a leader. He considered initiative, courage, self-trust, insight, kindliness, good humor, and knowledge of human nature as the qualities involved in leadership. Bodily energy underlies the indispensable vigor, self-confidence, and initiative of every leader, according to Mr. Dearborn. It would appear from a consideration of the careers of acknowledged leaders that these are the qualities possessed by them. The study here reported is an effort to determine whether the possession of the qualities listed by Mr. Dearborn indicates ability to become a leader and whether intelligence underlies these qualities. The conclusions are drawn from an investigation which included twenty-nine pupils attending the Rochester Shop School. The intelligence rating was determined by means of eight tests of the Otis Group Intelligence Scale, age not being considered. The estimate of ability as leaders was the result of the combined judgment of the instructors, the principal, and the athletic director. Each instructor listed five boys whom he considered the leaders in his classes and also submitted a list of the five who appeared to be deficient in those qualities usually considered essential to leadership. The principal selected the five boys whom he considered the leaders in the school activities. The athletic director selected the five boys who were recognized by the students and by the