Central to reform efforts in Maryland's Institutions of Higher Education (IHE) since adoption of the 1995 Teacher Education Task Force Report has been development and maintenance of Professional Development Schools (PDS) for the training of teacher candidates and to provide continuing professional development for in-service teachers. This document provides discussion of many areas of the PDS movement in Maryland, including, but not limited to: (1) Background; (2) Methodology; (3) PDS Development; (4) Faculty Participation; (5) Implementation; (6) Standards and Accountability; and (7) Performance Outcomes. Three appendixes are included: (A) Glossary; (B) Standards for Maryland Professional Development Schools; and (C) Guidelines for a Multiple-Site Professional Development School (PDS).