I have read that the cost of education is going up because unlike other parts of the economy, which benefit greatly from automation, with education you still ha

I have read that the cost of education is going up because unlike other parts of the economy, which benefit greatly from automation, with education you still have to hire these costly human teachers. So as the efficiency of everything else goes up, the cost of those things is depressed. But teachers cost the same. So relatively under an inflated environment, they become more expensive.