Action research on children and their education as a strategy in qualitative research Research on children and their education can be undertaken in different types of scientific research, both quantitative and qualitative. The author of the paper looks at a particular qualitative approach to investigating educational reality, while the itself article contains a description of various qualitative research strategies. According to N.K. Denzin and Y.S. Lincoln, the author presents the following strategies: participatory observation and performance ethnography, phenomenological and ethnometodological interpretative practices, case study, grounded theory, life history, testimonio and the historical method, participatory action research, as well as clinical models. Having made the assumption that an action research strategy can be useful in improving educational reality (practice), the author then presents the basic theoretical premises of this strategy.