This report examines the College Discovery and Development Program, which seeks to identify underachieving disadvantaged high school students with college potential, to increase their academic motivation, to improve their scholastic achievement, to develop their acceptance of college study as a realistic expectation for themselves, and to facilitate their college success. The report, which includes specialized topical essays and summaries of adjunct studies, details comparisons of the first and second year participants at intake, the achievement for the first year group in the eleventh grade, the achievement for the second year group in the tenth grade, the effects of the summer program, curriculum, college consultants, and guidance services. See ED 011 683 and UD 009 149 for first year and third year reports, respectively, of the Longitudinal Study. (EM)