This book provides a comprehensive framework for teaching Computer Science across KS3, KS4, and KS5, integrating key principles from educational psychology, Bloom’s Taxonomy, Maslow’s Hierarchy of Needs, and PESTLE analysis. It offers educators practical strategies to create engaging, motivating, and relevant learning experiences tailored to diverse student needs. From visual coding in KS3 to advanced project-based learning in KS5, this guide equips teachers with the tools to foster deep problem-solving skills, address students' emotional and psychological needs, and align the curriculum with real-world industry trends. Discover how to create a supportive classroom environment, encourage collaborative learning, and prepare students for the future of technology.