The booklet provides an overview of methods to review, analyze, and document interagency processes in special education. The first section considers issues in developing and evauating interagency coordination, touching upon definitions, purposes, and patterns of interagency coordination. The dynamic nature of the coordination process is stressed. The second section describes selected process evaluation methods and instruments in four areas: (1) measuring precursors to success; (2) measuring relationships and linkages among agencies; (3) measuring dynamic processes in interagency coordination; and examining state-community relationships. A three-page list of references, examples of evaluation instruments and summaries of state and local evaluation studies of interagency coordination are appended. (CL)