„Countries that compensate for disadvantage in schools with smaller classes and lower student-teacher ratios do not, on average, have narrower performance gaps related to socio-economic status.“
OECD (Hrsg.), „PISA in Focus 85“ (Juni 2018), S. 4
„Countries that compensate for disadvantage in schools with smaller classes and lower student-teacher ratios do not, on average, have narrower performance gaps related to socio-economic status.“
OECD (Hrsg.), „PISA in Focus 85“ (Juni 2018), S. 4