In which countries do the most highly qualified and experienced teachers teach in the most difficult schools?
OECD. Organisation for Economic Cooperation and Development
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In 2015, a majority of countries and economies that participated in PISA compensated disadvantaged schools with smaller classes and/or lower student-teacher ratios. However, in more than a third of countries and economies, teachers in the most disadvantaged schools were less qualified or less experienced than those in the most advantaged schools. Gaps in student performance related to socio-economic status were wider in countries where socio-economically disadvantaged schools employed fewer qualified and experienced teachers than advantaged schools. Greater school autonomy for managing teachers is associated with more equitable sorting of teachers across schools.