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Direct linkSchleicher, Andreas – OECD Publishing, 2015
Successful education systems are those that promote leadership at all levels, thereby encouraging teachers and principals, regardless of the formal positions they occupy, to lead innovation in the classroom, the school and the system as a whole. This report summarises evidence from the OECD Teaching and Learning International Survey and the OECD…
Descriptors: Achievement Tests, Foreign Countries, International Assessment, Secondary School Students
