„The largest proportion of students reporting that they had repeated a grade in primary, lower secondary or upper secondary school can be found in Belgium (36.1 %), closely followed by Spain, Luxembourg and Portugal (all exceeding 30 %). […] In France and the Netherlands, the rates of students who repeated a grade are close to 30 %.“
Eurydice (Hrsg.), „Tackling Early Leaving from Education and Training in Europe“ (2014), S. 44