The 1975 Summer Skills Center program in the District of Columbia public schools consisted of elementary centers serving students in grades 3-8 and secondary centers serving students in grades 9-12. It called for instructional groupings containing students of several grade and age levels. Teachers were to be activity coordinators for individualized instructional programs designed to strengthen students' individual skills. Curriculum content was to emphasize communication and mathematics skills taught through four symbol systems: mathematics, music, art, and reading. To facilitate their functioning in a nongraded, multilevel, multiage setting and their use of a multidisciplinary approach, teachers in the summer program were to be provided with relevant staff development. An evaluation was carried out by the Division of Research and Evaluation in order to determine the extent to which the evaluation objectives were met and to provide information useful to future summer program planning. It included a Principal's Interview Guide, a Staff Survey Form, a Student Data Form, and an Attendance and Grade Form. A summary of the findings is reported. (BW)