My mother's a public school teacher in Indiana and only some of these benefits are familiar sounding to me. Perhaps I just haven't been paying attention. Do you have any sources for these claims?
For the rule of 90: http://www.mnpera.org/index.asp?Type=B_BASIC&SEC={079559...
For salary increased this year and over last ten: http://teacherportal.com/salary/Minnesota-teacher-salary