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Pervasive truancy in a school seems to affect even students who may not be truants themselves ...

„Pervasive truancy in a school seems to affect even students who may not be truants themselves. […] Student truancy has a discernible effect on the learning environment and, ultimately, on student performance and engagement.“

OECD (Hrsg.), „PISA 2015 Results. Policies and Practices for Successful Schools“ (2016), S. 36