Schweden: „The student composition of schools has become increasingly homogenous, with students with similar socioeconomic or migration backgrounds gathering at the same schools.“
Deborah Elin Siebecke, M. Sc., u. a., Does the material well‑being at schools successfully compensate for socioeconomic disadvantages? In: Large-scale Assessments in Education (2022), 10:11, S. 3.