„Proficiency in the language of instruction also facilitates the socialisation process in schools. For these reasons, specific teaching measures relating to the language of instruction need to be part of any comprehensive education policy that seeks to improve the way migrant students are integrated into schools. […] Several top-level education authorities in Europe seem to have acknowledged the transversal curricular dimension of the language of instruction.“
EU-Kommission (Hrsg.), „Integrating Students from Migrant Backgrounds into Schools in Europe“ (2019), S. 17f