Examines how 8th and 10th grade student and parent attitudes and aspirations affected postsecondary attendance. Two-year and four-year students differed by socioeconomic status; educational aspirations; and concerns about college costs, reputations, and admission standards. Recommends early intervention to effect long-term systemic change in the culture and climate of schools. (Contains 46 references and 2 tables.) (GCP)