• academic achievement;
  • cognitive trajectory;
  • families and work;
  • growth-curve modeling;
  • nonstandard work schedules;
  • shift work

Previous work has shown an association between mothers' nonstandard work schedules and children's well-being. We built on this research by examining the relationship between parental shift work and children's reading and math trajectories from age 5–6 to 13–14. Using data (N = 7,105) from the National Longitudinal Survey of Youth and growth-curve modeling, we found that children's math and reading trajectories were related to parents' nonstandard shifts (i.e., evening, night, or variable). We found that having a mother who worked more years at a night shift was associated with lower reading scores, having a mother work more years at evening or night shifts was associated with reduced math trajectories, and having a father work more years at an evening shift was associated with reduced math scores. Mediation tests suggest that eating meals together, parental knowledge about children's whereabouts, and certain after-school activities might help explain these results.