Summary.A revised Boxall School Anxiety Test was administered to 1,120 first‐year grammar school pupils in 42 schools in South Wales and the West Riding. After separating these into pupils from mixed, boys' and girls' schools, scores were seen to be consistently related to occupational class, the most anxious pupils being from the lower classes. Girls recorded a greater anxiety than boys. Pupils in single‐sex schools had slightly higher scores than those in mixed schools, but both groups had only recently entered these scho