AbstractAn exhaustive survey of Hertfordshire primary schools was completed which provides detailed information of microcomputer‐provision, classroom use, headteachers' and teachers' aims and attitudes, and an analysis of factors which influence use. The survey was in two parts: an initial questionnaire to identify the extent of microcomputer ownership, and a main questionnaire to collect information from both headteachers and teachers who were using microcomputers. In general, most schools possessed microcomputers, but children's access was limited, and it would appear that drill and practice type programs were most frequently used. The extent and type of use was found to be affected by a number of factor