What lessons does Holocaust education hold for preservice teachers and how does Holocaust education aid their growth as social justice educators? In this qualitative teacher research study we attempt to answer these questions by analyzing the coursework and reflections of 16 social studies preservice teachers (PSTs) as they completed an in-depth study of the Holocaust through historical research, field trips, and reading young adult literature, and designed creative and engaging lessons to teach the Holocaust to secondary social studies students (grades 6-12).