School holidays can be stressful periods for children from low-income families. Poor provision of appropriate childcare, limited access to enrichment activities, and food insecurity mean that children’s health and well-being can suffer and their learning stagnate or decline. This article examines and documents the evidence that has emerged on this topic and aims to raise its profile and the impact on children’s lives. It makes the case for further academic scrutiny of this unexamined and neglected subject.