This document discusses the historical and philosophical foundations of secondary school curriculum. It outlines several movements that influenced curriculum changes, including early Christian education, the Renaissance, the Reformation, and the scientific and progressive education movements. Each of these led to changes in curriculum content, with subjects like science, mathematics, and literature being added. The document also defines key terms related to secondary education and technical training institutions in Kenya, and outlines the objectives and responsibilities of secondary school teachers based on Kenya's national education goals.