This article reports the learning achieved by a group of trainee teachers about acts of collective worship (CW) organised in English primary schools. Using data gathered from non-participant observation questionnaires, it describes, from the viewpoint of observers, three main findings related to children and their learning, the position of CW in primary schools and their own learning about it. The findings reveal that children learn, among other things, values, dispositions, morals and issues connected to their self-esteem, reflection, prayer and spirituality. Participants consider these to be attempts to empower children to be active in out-of-school contexts. The data suggest that these trainees think that CW has a place in primary schools as it holds many benefits for the children, school and wider community. In terms of their own learning, the data shows that they learnt about the purpose and value of CW, their professionalism and the practice within their respective schools.