You could run for school board and propose some changes. The outlook for teacher hiring is not the best it has been. School districts face a lot of challenges, even when parents are involved and vocal. My advice is to attend school board meetings, visit your schools on parent-teacher night and back up your teacher.
The subject you describe has some bearing on neighborhoods. People choose neighborhoods based on schools. But a discussion is a very large one.
I'll offer this:
A recent Los Angeles Times story submitted by a special education teacher revealed all the conflicting messages a teacher receives during the year. The article begins with teacher revealing he had a bad review. Then he went on to describe all the conflicting direction he received before being dubbed "a bad teacher." It's a good read and offers a front line perspective on administrators. I came away thinking there is a lot of scrutiny of teachers. Who is watching the watchers, though?... more