on the basis of tickets. oh, come on. or teachers hide the evidence of bad students. is it possible they will happen. human nature being what it is. people try to gain the system. we do away with free election. new york showed performance on the police reduced crime feat percent x. in terms of teachers you can have met ribs and if you have a problem fix it. bill, the fact is, that the good for pay for performance outdoes the fact that there is stinker system. not just stinkers. you have a lot of manipulation and gaming. the only way to fix it is have a competitive system. private school know which are the good teachers and have the parents pick the schools and have the schools pick the teachers on a competitive basis. dennis? and picking out the best teachers don t give them an extra raise and not reward