The Swedish preschool curriculum stipulates that all children independent of support needs should attend mainstream preschool groups, with equal opportunities for learning and engagement. Preschool teachers are responsible for paying attention to children in need of special support to achieve this. How support is provided for children in need of special support due to behavior difficulties in Swedish preschools varies, however. Some children, often formally identified as in need of special support, are supported by preschool staff supervised by external services. Other children receive support initiated and implemented by preschool staff, without supervision from external services. A further number of children receive no support for behavio...