http://www.policymic.com/articles/60...u-need-to-know
note:
Few work full-time because the industry cuts work hours at 32 hours so they don't have to give benefits…
http://www.theatlantic.com/business/...-child/278424/
Meanwhile, the vast majority have at least a high school degree, and a surprising 31 percent have at least some college. Presumably, some of those people are students working their way through school, but exactly how many who knows.
The broader point is that these jobs aren't primarily a refuge for high school dropouts.