The results strongly suggest that the interventions had a positive impact, though the nature of the impact varied between primary and secondary schools. In general, schools improved on most measures of bullying-relating to reports of being bullied, bullying others, not joining in, telling someone if you were bullied, having someone talk to you if you bullied others. However, the main impact on the likelihood and frequency of being bullied was in primary schools, with some schools getting quite substantial reductions. These effects were smaller in secondary schools, which did however register substantial increases in the proportion of bullied pupils who would seek help, for example by telling a teacher.