„Austria, has invested in particular in pre-primary education. The number of teachers in pre-primary education increased by 48 % between 2005 and 2016, outnumbering the 18 % increase in the number of children during the same period. This translates into a 21 % reduction in the number of children per teacher, which is much more than the OECD average (9 %).“
OECD (Hrsg.), „Education at a Glance 2018. Country Note Austria“ (2018), S. 5