LANSING (WKZO) - Michigan's teachers are being given high ranks. More than 97% of teachers in Michigan were rated effective or higher last year.  According to data released by the Michigan Department of Education, over 97% of the state's 96,000 teachers received the positive ratings in 2011-12. This is the first year that all state school districts were required by law to evaluate teachers and report the findings to the state. The data showed that just over 22% of teachers were rated highly effective, 74% were rated effective, 2% were rated minimally effective and 0.8% were rated ineffective.