Originally published in 1941, this book deals with the application of educational theory to the teaching of children between the ages of seven and twelve in large classes, mainly in state primary schools. It suggests how education based on children's activities and interests can be organized and carried out; hence such problems as the following are discussed: the value of creative work and various forms of activity; social training and individual auto-education; group and class activities; the acquisition of habits of study and necessary skills; the teacher as a trainer, advisor and instructor.