This study explored the diverse ways in which practitioners' roles manifest to develop pre-schoolers’ agency through learning for well-being in inner-city early childhood centres (ICECCs). Findings served as the foundation for a training programme for practitioners to develop pre-schoolers’ agency in South Africa. Various factors that have an impact on the development of pre-schoolers’ agency and ways in which preschoolers express agency were further explored through using the tool of pedagogical documentation. A conceptual framework was based on the Framework of Learning for Well-being, the Framework of Indigenous Well-being and the Reggio educational approach, which supports the notion that pre-schoolers can express themselves and influence their lifeworlds. Myself, three practitioners and nine pre-schoolers participated in the study. I made use of participatory action research (PAR) to generate qualitative data. The various data collection tools used were: Conversations with pre-schoolers; semi-structured interviews with practitioners; focus group interviews between myself and the practitioners; observations of circle time discussions; practitioners' open-ended questionnaires and self-reflective notes on fake Facebook pages; notes in my selfreflective journal; and documentation of pre-schoolers' four art projects. A manual thematic analysis of the data was done and feedback obtained during final interviews. Practitioners indicated the following insights into their practice during and upon completion of the research process: Discoveries of the capabilities of pre-schoolers to express agency; the need to ask more probing and open-ended questions; the importance of listening to pre-schoolers; an awareness of the diverse capabilities of preschoolers; and knowledge and understanding of the value of the tool of pedagogical documentation to make pre-schoolers' agency visible. Aspects that posed challenges were highlighted, such as lack of technology, time constraints, work load and concerns of parents over the academic performance of their children. Upon conclusion of the study the following recommendations were made: a new theme in the Curriculum and Assessment Policy Statements (CAPS); a module in Foundation Phase education on children's agency; a one-day workshop for practitioners to develop pre-schoolers' / Psychology of Education / Ph.D. (Psychology)