The document discusses the job of education and how it has evolved from a single role performed by a schoolmaster to various specialized roles. It covers defining the job, classifying positions, developing job descriptions and specifications, and rating jobs. Key points include that the total job of education remains the same but has been broken down into components that are now individual jobs. Activities like definition, classification, specification, and rating are important for understanding the various positions in a school system and their interrelationships.