Very little is known about the quality of the learning experiences provided for pupils. This book contains the results of a major research project, conducted in a sample of English primary schools, in which particular attention was paid to the tasks children were assigned, to the degree of match between assigned tasks and pupil attainment, to the detailed observation of children at work. The teacher's problems in assigning work appropriate to children's attainments and the special problem of matching posed by the transfer of children from one class to another were also subjected to analysis....