„Grade repetition, a form of vertical stratification, is used in many systems to give low-performing students a second chance to master their coursework.“
OECD (Hrsg.), „Equations and Inequalities“ (2016), S. 92
„Grade repetition, a form of vertical stratification, is used in many systems to give low-performing students a second chance to master their coursework.“
OECD (Hrsg.), „Equations and Inequalities“ (2016), S. 92