This is NYC here, with an interesting statistic:
In the past three years, just two of 14 principals formally accused of misconduct have been fired — and not a single boss in the city’s 1,600 schools was charged with incompetence, officials told The Post.
The disciplinary deficiency raises questions when 217 elementary and middle schools received grades of F, D or consecutive C’s on the city’s latest report cards, and 31 high schools rated D or F.
“The numbers don’t add up to the Bloomberg administration’s goal to hold everybody accountable,” a veteran teacher said.
Once you're that far up the ladder in education, you become part of the "inner circle." It's damned difficult at that point to lose a job, or rather a school district career.