Students are working hard, a new study finds, taking on part-time jobs to avoid racking up more debt while in school. Nearly four out of every five U.S. students — including those in high school, community college, online college, or traditional college or university — work while in school, a survey by Citigroup and Seventeen magazine found, with the average working student putting in 19 hours a week during the school year.

Source: 80% of students work at least part-time – MarketWatch