Originally Posted by MS Fowler

There are teachers who do not know that New Mexico is a State of the USA.
Teachers are not the best and brightest. Not to say that there are not intelligent, hard-working, dedicated teachers at all levels, but many studies show that, as a class, education majors are not as sharp as say, Engineers, or Math Majors.

I had a conference with one of my sons' teachers, some years ago in which the poor woman did not use one grammatically correct sentence in our 15 minute interview.