Academic scholars in the field of education face a pressing dilemma - the need for meaningful, transformative adult learning that can lead to equitable access and outcomes for all learners in P-20 classrooms. Despite over two decades of experience, the educational community still grapples with the challenge of creating an environment that fosters professional development with a lasting impact. This issue undermines the very foundation of our educational system, hindering both educators and students from reaching their full potential. Exploring Meaningful and Sustainable Intentional Learning Communities for P-20 Educators is a groundbreaking edited book that provides answers to this critical problem by offering an innovative approach to learning from more than 20 years of wisdom from P-20 educators. It presents a comprehensive exploration of intentional learning communities, demonstrating their historical significance, defining their principles, and outlining the incredible benefits they bring to the world of education.