The Centre of Assessments for Excellence (COAE) offers accredited certification and training services for K-12 educators, focusing on effective communication as a key skill in teaching and learning. The document outlines the importance of communication, barriers to effective communication, and techniques for enhancing communication skills in various educational contexts. It emphasizes the benefits of creating a safe learning environment and the need for educators to develop both speaking and listening skills for better engagement with students, parents, and colleagues.