This report describes the background, program implementation, student development evaluation, and recommendations for the SuperStart program of New York City. SuperStart, a comprehensive integrated prekindergarten program, is designed to provide a developmentally appropriate learning environment to enhance the cognitive, social, physical, emotional, and language development of 3- and 4-year-old children most in need of preschool services. The program includes staff development and parent outreach services. In the 1992-93, the year for this evaluation, the program served 195 schools in 30 districts, and more that 10,000 prekindergarten children. The first section of the report presents the program's background, evaluation design, and characteristics of participating students. The second section describes the program's implementation, dealing specifically with the classroom environment, instructional practices, continuity across grade levels, staff activities, parent involvement and family services, and staff perceptions of the program's strengths and challenges. The third section presents evaluation results indicating that students made significant gains in motor, socio-emotional, language, and cognitive development. The fourth section provides recommendations of the Office of Educational Research for enhancing the effectiveness of curriculum, staff development, and the parent component. A copy of the developmental profile used to evaluate the SuperStart participants is included. (AP)