This manual contains descriptions of the Leadership Training Model and of workshops for the professional development of "instructional support" teachers who have leadership roles in developing inservice programs for school staff. The Leadership Training Model was developed by the Edgewood Independent School District/Trinity University (Texas) Teacher Corps Project as a response to the need for training teachers to be leaders in professional development. The Leadershp Training Model involves the formation of a Professional Development Committee (in each school), which consists of the instructional support teacher, the principal, counselors, other teachers, paraprofessionals, parents, and students. This committee is responsible for designing and conducting a professional development program specifically tailored to the school and for creating a school climate program. One outstanding teacher is selected to act as instructional support teacher and is freed from all other teaching duties. Chapters in this manual present workshops for the instructional support teachers on: (1) professional development; (2) consultation skills; (3) group facilitation; (4) leadership skills; (5) clinical supervision; and (6) workshop design. (JD)