The purpose of the Improving Instruction through Supervision project was to provide a support system for teachers, based on a clinical supervision model. Teachers and administrators were trained in a supervision model which consists of a five step process: (1) pre-observation conference; (2) observation; (3) analysis and strategy; (4) post-observation conference; and (5) post-conference analysis. The project was evaluated according to the Planning, Monitoring, ad Implementation Model for Decision Making which requires the comparison of intended (proposed) inputs and processes to the observed (actual) inputs and processes. Findings indicated that most of the trained personnel used the supervisory model in their work with teachers, utilized supervisory techniques in a more satisfactory manner than an untrained comparison group, and demonstrated increased knowledge of school supervision concepts and strategies on a pre-posttest design assessment. Tables of data and training materials are appended. (MK)