A nationally representative sample of eighth-graders were first surveyed in the spring of 1988. A sample of these respondents were then resurveyed through four follow-ups in 1990, 1992, 1994, and 2000. To further enrich the data, students’ teachers, parents, and school administrators were also surveyed. Coursework and grades from students’ high school and post-secondary transcripts are also available in the restricted use dataset – although some composite variables have been made available in the public use file.