This dissertation presents the findings of an exploratory, multiple-case study in which eight public secondary school teachers engaged in a professional development (PD) program centered on improving teacher instruction for English learners (ELs). The participants worked as co-teachers with teacher credential candidates, serving as both mentors…

Teachers in a new school setting tend to display lower teacher efficacy, which negatively affects teaching performance and student learning. The purpose of this qualitative case study was to examine the perceptions of teacher efficacy in pre-service teachers and explore key factors influencing the perceptions as a result of pre-service training.…