„A higher percentage of students originating from non-Islamic Asian countries increases the learning performance of both native students […] and for immigrant students origination outside non-Islamic Asian countries.“
Univ.-Prof. Dr. Jaap Dronkers u.a., „Positive but also Negative Effects of Ethnic Diversity in Schools on Educational Performance?“ in Windzio (Hrsg.), „Integration and Inequality in Educational Intitutions“ (2013), S. 90f