Earlier quoted context omitted.
These industries, more or less, need to be highly regulated because we've faced the alternative and it's worse. The quality of education went up SIGNFICANTLY when the state took more control over it.
Part of that is questionable, because the state gets to set the means by which the quality of education is measured. However, a more objective measure is the extent of education; certainly, the introduction of national education has always produced a much greater literacy rate.
A market relies on the participants having visibility and ability. They need to see the alternatives, understand them deeply, and have access to them. Turns out you can't do that in a bunch of markets, education being one of them. So, it can never be a true free market.