However the basic premise is that while education is a strain on society the eventual benefit overcomes it by far. Thus, we have free education at all levels and student income programs that allows you to concentrate on your books while studying.
Though, the student wages do assume that you can manage a tight personal budget. I for one could not :) - So most students do what I did, they have jobs on the side. Still, the basic premise is that you _can_ get your education for free.