So there is a website out there, Educational Realist (via Steve Sailer), which made me aware of some statistics from ETS on the intellectual aptitudes of those who passed a teaching certification. This is relevant because those who major in education at university are notoriously rather weak students. The implication here is that teachers are substandard as a whole, a narrative long favored on the American Right, but now spreading in some parts of the Left.
Below are the verbal and mathematical scores by licensing domain. The solid line represents the average SAT score of a college graduate.
First, as a whole it seems the teaching profession is a high verbal and low math area, with math & science teachers being exceptions. But it really looks to me like there's a sharp discontinuity between two groups of teachers here. Physical and special education instructors, as well as elementary school teachers, ...