Supervision as understood in well-organized city systems has little resemblance to the annual visitation of schools as practiced by many county or other rural superintendents. The majority of these officers are fully conscious of the limitations imposed upon them by the conditions under which they work and they are active in their efforts to…

Because of the individual authority of each State for its own educational program, practices and policies differ widely among them in many respects. Yet in the midst of differences there are also common elements of development. The U. S. Office of Education, in presenting this series of monographs, has attempted to point out those common elements,…