Leader Voices: Principals reflect on the evolution of their leadership. 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. Meet three successful school leaders and learn about their growth as leaders and how they make professional learning a part of the everyday work of schools. Leadership Through Learning: When people are enlightened, they want to take action. Q&A with Anthony Muhammad. By Tracy Crow Anthony Muhammad, author and school leadership expert, was named Michigan’s Middle School Principal of the Year in 2005 after he and his staff doubled student achievement through the use of professional learning communities. In this wide-ranging interview, Muhammad shares his