„A majority of countries and economies that participated in PISA 2015 compensate disadvantaged schools with smaller classes and/or lower student-teacher ratios.“
OECD (Hrsg.), „PISA in Focus 85“ (Juni 2018), S. 2
„A majority of countries and economies that participated in PISA 2015 compensate disadvantaged schools with smaller classes and/or lower student-teacher ratios.“
OECD (Hrsg.), „PISA in Focus 85“ (Juni 2018), S. 2
