Hur påverkar förändrad elevsammansättning skolors resultat?

  • Pontus Bäckström
Nyckelord: School segregation, between-school variance, school choice, pupil composition


In 2012, The Swedish National Agency for Education published a study in which they examined how equivalence between Swedish primary schools has developed over time. The agency concluded that the equivalence had deteriorated, mainly because of an increased between-school variance in results. The increased between-school variance was partly shown by examining the increased gap between schools in which 20 % or more of the pupils didn’t meet the demands for passing on to secondary school and schools where almost every pupil did. The first group has increased since year 2000 and consisted in 2011 of 231 schools. In this study these schools are examined. The hypothesis that a significant change in pupil composition over time can explain deteriorated results is tested. The results show that the schools have undergone a significant change in pupil composition. Mainly pupils born in Sweden by Swedish parents have left the schools. The majority of the schools are public schools. The change in pupil composition is strongly correlated with deteriorated results.
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