You are forgetting the negative effect of the ridiculous ranking systems that determine teachers performance evaluations. Why would a school select software whi

You are forgetting the negative effect of the ridiculous ranking systems that determine teachers performance evaluations. Why would a school select software which will make thier grades go down? If your grades go down it decimates the schools ranking because these are based on year on year improvements. You would select the software which makes it easiest to teach to the test so the kids 'do well'