This course provides an in-depth understanding of curriculum development, exploring its definition, significance, and key principles. It examines the historical, sociological, philosophical, and psychological foundations that shape curriculum planning and design. Various curriculum development models, including Tyler, Taba, Wheeler, and Skilbeck, are analyzed and compared. The course also covers curriculum implementation, monitoring, and evaluation, highlighting ethical and legal considerations. Additionally, it addresses trends in curriculum reforms in Kenya, the role of technology, and the impact of teacher education on curriculum development.