This is an evaluation report on a Title I nonpublic school corrective mathematics program conducted in New York City in 1979-1980. Chapter I provides a description of the program and its goals. In chapter two the objectives and tests used are outlined by grade, and information is given on the analysis of evaluation results. The third chapter contains a summary of the survey data and teacher interviews, including: (1) information about the teacher respondents; (2) a pupil profile; (3) information on teaching methods used; (4) a description of support services; (5) a report on the extent of parent contact with teachers; and (6) recommendations for improvement in these areas. Chapter four presents a classroom observation summary describing classroom organization and activities. The fifth chapter contains a summary of interviews with the program's coordinator and field supervisor. Student evaluation procedures, personnel considerations, program organization, and instructional approaches are reviewed. The last chapter summarizes the program's effect on student mathematics scores and lists recommendations for program improvement. (APM)