More than a decade of school leadership research from The Wallace Foundation highlights not only the critical role of the principal but also the practices that effective school leaders undertake. A recent brief (The Wallace Foundation, 2011) distills these practices into five key functions: Shape a vision of academic success for all students; Create a climate hospitable to education; Cultivate leadership in others; Improve instruction; and Manage people, data, and processes to foster school improvement. The Standards for Professional Learning embed within all of these functions a keen focus on the learning of the adults in the school. As Angela Marcellus points out, an educator’s growth is continuous. In the pages that follow, learn with three successful school leaders, including Marcellus, about their growth as