The summative evaluation of student teachers allows decision makers (college and school district supervisors, State Boards of Education) to make judgments about the student teacher's qualifications for teacher certification. In addition, district personnel officers use this type of evaluation in making decisions about hiring prospective teachers. The intent of this project was to develop a summative evaluation instrument to be used in evaluating student teachers at the secondary level at Utah State University. The instrument was based on skills and indicators of effective instruction and attributes of teachers as represented in the effective instruction and effective schools literature. Responses of 59 administrators, university supervisors, and teachers who normally have student teachers within their schools and classrooms identified the characteristics of an effective teacher. These characteristics were then used in developing the evaluation instrument. This paper discusses why the new instrument was needed, explores the instrument development literature, describes the construction of a data base of effective teaching research from which the new instrument was developed, and presents an assessment of the content validity and usability of the instrument. Appendixes include the completed summative evaluation forms, a summary of findings concerning effective teaching skills and indicators, a seven-page reference list on effective teaching skills and indicators, and the final Summative Student Teaching Evaluation Instrument. (JD)