Hoo boy... that is just such ignorant fantasy.
Unless their parents are in a position to write tuition checks the "smart, poor" kids I know are mostly employed at least part time (I know, cause they work for me), living at home, commuting to second-tier state universities to keep the tuition costs down, and still piling up student debt to cover the difference.
Look on the bright side. That keeps ‘em away from the commies who run and (allegedly) teach at the “big” universities. They, hopefully, get the technical competence without the PC BS.