This guide is intended for those people who are concerned with the planning of computer courses for the training of teachers. It gives suggestions for the content of such courses and indicates methods by which the concepts of computer science can be explained to students. Included are the study of the computer itself and some indications of the influence of the computer within subject areas and its effect on society. The guide can also be used by informed teachers when preparing courses for secondary school children. It is expected that such teachers will equip themselves by studying the subject in depth so that they are not teaching to the limit of their knowledge. (Author)