Percent of weeks worked

50% (75%) of white males work in grade 10 (12), 15% (57%) for more than half the year; less for minorities and females.

Cumulative work experience while in school

48% work in high school, 63% in college; 24% average at least 20 hours per week.

Whether employed at time of last observed exit from school

48% of white males hold jobs, work 60% of last year of school, on average; college students work more than others.

Whether employed week prior to 1979 interview

25% of 14-year-olds work, 51% of 17-year-olds; males work more than females, whites more than blacks or Hispanics.

Whether employed interview week, grades 10–12; hours/week and weeks/academic year

28% of sophomores, 43% of juniors, 50% of seniors work; seniors work 19 hours per week, 52% of academic year, on average.

Whether employed at time of 1979 interview

58% of whites work, 41% of Hispanics, 35% of blacks; all average about 25 hours per week.

Whether working FT or PT or unemployed while in school

29% of whites work FT, 33% PT, 7% unemployed; less FT, PT work for blacks, more unemployment.

Whether working FT or PT or unemployed while in school

46% work FT, 11% PT, 9% unemployed; (blacks and whites combined).

Whether employed week prior to interview

51% work; average about 16 hours a week in 1978–79.