In my experience it says more about if you've left your little town for a relatively significant period of time than class. I know train kids with more exposure to the world than that, and as I said above district attorneys and national news contributors who have no interest in anything outside the commercial zone of their suburb.
Classical guitar teacher here. I'd never have been able to buy the house I'm writing this from on my salary if not for also prostituting myself in the it sector :-)