The purpose of this study is to examine the outcomes of a professional development program focused on developing teachers currently working in Denver-Metro area schools to become effective mentors of MSU Denver pre-service teachers. This program, developed and facilitated by MSU Denver teacher education faculty, aims to not only provide cooperating teachers with quality professional development to support their work as mentors, but to also ensure these practitioners understand how to prepare perspective teachers with the skills and dispositions needed to consistently support student learning and development. Practitioners charged with mentoring the next generation of teachers need access to this type of professional support