This ERIC Digest focuses on the student teacher, the school-based cooperating teacher, and the university supervisor, all of whom form a supervisory triad. Barriers to improved student teaching supervision such as incongruent role expectations and lack of substantive communication and collaboration among triad members are discussed. Some efforts designed to overcome these barriers include: training for university supervisors to reconceptualize their roles; training for cooperating teachers to analyze their teaching and supervisory techniques; and the selection and matching of triad members in a systematic way. Collaborative efforts at the University of New Hampshire and the Ohio State University in which public school and university personnel act as equal partners are described. Seventeen references are cited. (LL)