[dsfyu404ed]

That doesn't square with my understanding but my knowledge is totally limited to New England and some of New York. Here the rich suburbs are where you go when you just want to teach the subject and only the subject in exchange for your check (which can get quite big if you put in many years).

Anecdotal data point: The "upscale but not quite Belmont/Lexington/etc" town in MA in which my parents live had a little bit of drama over the number of teachers (some of whom had been teaching there 30+yr) who were drawing salaries on par with software developers in the Boston area. Having been educated in that town years earlier that squares with my expectations. Sure the teachers taught but the overwhelming majority were older and just looking to teach what they needed to to cash checks until retirement.