Turkish children are forbidden to speak their mother tongue in Flemish schools …

„In Flanders (Belgium), Turkish children are forbidden to speak their mother tongue, and punished for speaking Turkish with their peers; this is a common practice in many Flemish schools.“

Univ.-Prof. Dr. Orhan Agirdag u. a., „Does more exposure to the language of instruction lead to higher academic achievement?“ in „International Journal of Bilingualism“ (2016), S. 3