The fourth edition of "A Principal's Guide to Special Education," is an indispensable resource for educators navigating the complexities of special education in the 21st century, it is crucial to continue evolving the guide to address the ever-changing landscape of educational needs, legal requirements, and best practices. This new edition builds upon the foundation laid by its predecessors, notably the third edition, which was significantly updated in collaboration with and endorsed by the National Association of Elementary School Principals and the National Association of Secondary School Principals, incorporating insights from both teachers and principals.