The research project aims to achieve two primary objectives. First, it focuses on the impact of GenAI on students’ development and investigates the extent to which automated AI-generated feedback can support student math competence. Second, it examines the impact on teachers’ professional performance, with particular attention to teachers’ needs, attitudes, and practices regarding the integration of GenAI in math classrooms. With these objectives, the project aims to provide evidence-based recommendations for education policy and practice and contribute to the co-design of scalable, teacher-informed AI learning systems.