This book is about professional development in education. The analysis centers on the use of standards, notably Common Core Standard in public schools. The text examines the popular program commonly known as the Pennsylvania Inspired Leadership Standards, also known as PIL or PILS for short. It explores the use of professional development standards in the Keystone State. The book is a concise, but also a comprehensive, assessment of the PIL standards. The book could serve as a guide for educators in various aspects of education, including, but not limited to, school administration, school leadership, and educational management.