„On average across OECD countries, a socio-economically disadvantaged 15-year-old student was about three times more likely than an advantaged student to have repeated a grade at least once, even if both students scored the same in the PISA reading test.“
OECD (Hrsg.), PISA 2018 Results. Effective Policies, Successful Schools (2020), S. 46.
In nur wenigen OECD-Staaten hängt die Wahrscheinlichkeit zu repetieren so wenig vom sozioökonomischen Background ab wie in Österreich. (Quelle: ibidem, Table V.B1.2.11.)