A rollercoaster stock market, worsening economic conditions and growing concerns over job security could prompt a growing number of graduates to return to school in order to broaden their skills base or pursue new career paths.

The Chicago Tribune said nationwide uncertainty is persuading many adults that they are better off adding more strings to their bow.

John Weih, director of student services for a community college in Iowa, told the publication that he expects to see a bump in applications for the spring semester when registration opens on December 1st.

Meanwhile, Doug Lee of the University of Iowa said the institution had seen "robust enrolment" for courses starting in the fall.

In many cases, returning students are targeting qualifications in traditionally 'recession-proof' areas like accounting, health care and education - although opportunities also exist in more niche areas.

Admissions director Melissa Moreland told the newspaper that cosmetology training schools are experiencing rising interest as the US tries to fill a shortfall of around 300,000 hair stylists.

Graduate Derrick Henning, who recently re-enrolled in the Salon Professional Academy, said: "Everybody needs their hair cut. The more services I can provide, the more time I can spend with guests making money."