The meat of this article is that right leaning kids are the ones not going to college. IM not suggesting it, its what thee article says, there's literal data for it.
The folks I know who are hard core republicans all have jobs that puts dirt under their nails. They do the sorts of jobs that your either trained for or have to go dig up some info from esoteric sources (think the whole earth catalog). It's the I, Pencil problem... there are lots of smart people out there who are very educated that have ZERO clue about how the most basic parts of our world function.