The implementation of stAI project aims to contribute to lower the average percentage of early leavers by: -Mapping the main risk factors that lead to ELET, thus recommending the most effective intervention strategies -Outlining a complete picture of what systems based on knowledge-driven AI are, and how they can support decision w.r.t. ELET in education -Improving decision support in education -Advising policy makers to support the implementation of the education ecosystems at local level.