Dilemma #1

         Hey! I am currently having an issue promoting a positive classroom community. I make a point to tell the students, every day, that no question is ever a dumb question. There is to be no laughing when someone either answers a question or asks one. I have also told them if they do not have anything nice to say, they do not need to say anything at all. This has worked with the students, but my mentor teacher brings the students down with negative comments more than the students do to each other. She constantly responds to students in a way that either embarrasses them or crushes their spirit. It is hard to tell the students to do something moral, when they have an adult figure frequently displaying the opposite behavior to them and/or in front of them. How can I help this situation while I am not the one in full control of the classroom? Thanks!  

-Ashton McClain