The ongoing trend towards educational globalisation has brought about various dynamics of education policy ‘rescaling’, resulting in a growing number of governmental arrangements, which are operating across traditional scales, levels or sectors of policy. This contribution takes up the conceptual frameworks of topological spatialisation and assemblage theory to better understand the pivotal role of new information technologies, data infrastructures and also the increasing power of ‘centers of calculation’ within education policy reforms that have been implemented in Germany after the launch of the Programme for International Student Assessment.