Christians, you are wasting your time posting union hate crap. I do not bother to read it.
As I indicated, it is the school district that imposes rules on the teachers, and has nothing at all to do with the teachers unions.
In Miami-Dade County, the school board decided that they could only afford to have 6% of all students repeating grades or classes, so they told the teachers that to fail over 6% of your students, you must submit an override. The override requires information that is often unavailable, such as complete attendance figures (because they do not include attendance for the days that the teacher did not attend, because of illness or because he began the course after part of the term had been taught by some other teacher). You are supposed to indicate that you contacted the parent, but most of the time, the phone is disconnected, the parent does not return the call, or no one answers. This is common among students performing poorly.
Keep in mind that something like a quarter of the students do not speak English at home.Many parents speak only Creole or Spanish or some other language the teacher does not know.
Every school district has its own rules, so it is difficult to compare them.
The teacher's union has NOTHING to do with this override thing. You might as well add or subtract bonus points from the records of teachers who are members of churches, Kiwanis, Rotary,or archery clubs as unions.
The magnet schools generally submit their records publicly. The charter schools do not, or do not submit the sort of record that can be compared with the records of public schools. Charter schools here are exempt from many requirements of public schools: teachers are paid much less, administrators often much more,and then there are the"investors"and the people renting out facilities,many of whom make out like bandits.
You will never improve schools by making war on teachers, their rights, or their unions.