„In 2019, on average across OECD countries with available data, just 5% of children from low socio-economic status households performed at advanced levels in one or both of the TIMSS mathematics and science assessments, falling to less than 1% in France and Chile. For children from the most advantaged households, the average share reaching advanced levels was 32%.“
OECD (Hrsg.), Starting unequal: How’s life for disadvantaged children (2022), S. 23.
In Österreich schafften dies 2,7 % der 10-Jährigen aus sozioökonomisch schwachem und 29,6 % derer aus sozioökonomisch starkem Elternhaus. (Quelle: OECD Child Well-being Data Portal, Abfrage vom 25. Juni 2024.)