ECER 2019 has been a very succesful edition for NW03. The program included 44 submissions. The titles of these symposia show the interesting variety with the network: 'Curriculum Making and Subject Traditions', 'Making Social Studies in Standards-Based Curricula', a double symposium on 'Can Educational Knowledge be Powerful? Addressing the Challenges in the Sociology of Educational Knowledge and Curriculum Theory', 'Teachers as Policymakers: The Co-construction of National Curriculum Policy', 'Uncertainty as a Constitutive Element of Pedagogical Interaction' and a joiunt sympsoium with NW22 'Higher Education for Sustainable Development: Video-based student crowd research'.