This report of the Pennsylvania Advancement School is based on its activities covering the period September, 1967 through June, 1969. The School is an experimental, curriculum and staff development institution whcih has seventh and eight grade underachieving boys from Philadelphia public and parochial schools as its student body. In addition to its work with children in the building, the School is engaged in community liaison and follow-up of its graduates, external staff development, and research. The principal goal of the School is stated to be stimulation of postive change in the educational community, the school for children being a means toward this end. Among the activities described are those of projects relating to communication, reading, human development, improvisational drama, perception development, life sciences, family groups, mental health teams, and outdoor education; of departments concerning physical education, counseling, community affairs, research, media, and editorial work; and, of innovations such as the Arts and Crafts Studio, the Systems Group, and the Staff Development Resource Center. Also described are the School's work in Philadelphia, and projects now being planned [Seven full-page photographs have been deleted from the original document as they will not reproduce in hard copy.] (RJ)