Yes, insurance is paid. My wife is a fourth-grade teacher in an urban school. She works nights and weekends to provide her students with every opportunity to achieve. For a letter writer to believe that teachers are overcompensated is a true slap in the face to every teacher. I, personally, wouldn't trade jobs with a teacher.
Teachers have such a vital role in today's society.
They should be greatly admired and appreciated, not degraded. Enter words describing a concept or keywords.