The High School and Beyond 1980 Sophomore Cohort Second Follow-Up (1984) data file is provided. The data file consists of 14,825 records contains the following files: (1) the raw data file (including the randomized identification number; first follow-up flags and composites; base-year questionnaire data; first follow-up questionnaire data; dropout questionnaire data; transfer supplement data; early graduate data; first follow-up test data; selected school data; second follow-up data; and second follow-up weights, flags, and composite variables); (2) the record layout for the raw data file; (3) Statistical Analysis System (SAS) control cards; (4) SPSS control cards; and (5) SPSS-X control cards. TYPE OF SURVEY: National Survey; Follow-up Survey; Sample Survey. POPULATION: High Schools (24,725); High School Sophomores (3,779,288). SAMPLE: High School and Beyond Sophomores (18,500). RESPONDENTS: High School and Beyond Sophomore Cohort (14,825). RESPONSE RATE: High School and Beyond Sophomore Cohort (80%). FREQUENCY: Biennial. YEAR OF EARLIEST DATA: 1980. YEAR OF LATEST DATA: 1984. (TJH)