Amazon.com description: Product Description: This study examined the effects of peer coaching on teachers? collaborative interactions and student achievement in the context of the Appalachian Mathematics and Science Partnership?s (AMSP) Mentored Implementation Program (MIP). An intervention group of six teachers receiving peer coaching through the MIP and their 202 corresponding students was compared with a control group of 5 teachers and their 105 students who did not participate in the MIP. Pre/post-test mathematical content knowledge scores of the treatment and control group students were compared to determine if there was a significant effect on student achievement due to the peer coaching intervention. Peer classroom observations, participant teacher surveys, lead mentor interviews, and audiotapes of the MIP post-instruction peer conferences were also analyzed.