This bulletin describes the work of the City College Advisory Service to Open Corridors, a program committed to changing schools in ways that will better supPort children's own spontaneous patterns of learning. In Part 1, advisors describe in their own words how they proceed to educate themselves for the advisory role they undertake and how they work with teachers and children, administratior, parents, and community. The facts and figures of advisors' efforts in a single district are rePorted in Part II, culled from their memos and logs. This material analyzes certain areas of advisor functioning presented in such broad categories as child development, reading-language arts, open education implementation, and workshops with para-professionals. The major area of advisory work, the work with individual teachers in the classroom and in personal conference, is not included here. In Part III, the spread of program philosophy and expertise, through the Advisory Circle of former advisors who have gone on to new assignments, is described. These former advisors have found ways of incorporating their advisory experience into the new situation. The future role of the advisory, especially in the context of the program's present crisis, is the subject of the essay in Part IV. (Author/AM)