In 2018/2019, the Government of Austria instituted a new language support model to Austrian schools that included segregated language support measures for non-fluent German-speaking students. The central research aim of the paper is to investigate how the implementation of this new language support model compares to the policy requirement by examining different models of implementation. In the framework of the initial phases of the project 'A multi-perspective study on German language support', 12 interviews with German language support teachers and school principals were conducted. Following a prototypical case study analysis, four models of implementation were identified: (1) Segregationmodel, (2) Mixed segregated and integrated model, (3) Individualized language support, and (4) Inclusive support model. Given that thisis the first study in Austria to show the concrete implementation models of German language support in schoolsFindings highlight important implications for school principals and educational policy makers.