https://www.cnn.com/2018/03/08/us/prison-reform-north-dakota...
For some people it is. I can't tell you how many times I've heard the phrase "lock him up and throw away the key." For some people, all they care about is that society provides a mechanism to obviate their need to seek retribution personally.
A better way of putting it should be that prisons should educate people to the level of high school or county college, something that should have been available to them but wasn't because of whatever factors. This way they get no handout not available to others and at the same time get a second chance at a life away from crime.
I don't think these sorts of jobs exist any more, or at least not in the quantity that they used to. I do think that job training (tangible, current skills) would be an appropriate replacement.
My funny thought in writing this was that the only way it would happen is if we made Mike Rowe secretary of education.
which doesn't mean lowering the overall barrier to education is not a good idea and probably would reduce incarceration in the first place...
A slightly more amount of taxes than I currently pay? Sure; if it's for the betterment and reformation of the worse-off in our society, I'd gladly pay a bit more money.
Are you seriously suggesting that people would commit crimes to "get a free education"?