Due process policies such as tenure are put in place to protect good teachers from being fired without cause. They aren't there to protect 'bad' teachers.

I learned life from some good teachers.

I think good teachers are underpaid.

His lectures were always well attended, and not just because he imparted so much wisdom and knowledge: he also managed to do it with humour. It had taken Danny some time to realize that the professor enjoyed provoking discussion and argument by offering up outrageous statements to see what reaction he would arouse from his students.

We do have some holes in some of our teachers' backgrounds.

We have to provide good teachers, good environment, community involvement with schools.