Totally agree with you. But two things: 1) Wages weren't being measured, spending was. Not necessarily the same thing. 2) Teacher wages may be relevant as mor

Totally agree with you. But two things: 1) Wages weren't being measured, spending was. Not necessarily the same thing. 2) Teacher wages may be relevant as moral issue, but they are not the same thing as measuring the quality of a school, from an academic perspective, which is what the point of this article was.