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The International Standard Classification of Education (ISCED 2011) provides a comprehensive framework for organising education programmes and qualification by applying uniform and internationally agreed definitions to facilitate comparisons of education systems across countries. ISCED is a widely-used a global reference classification for education systems that is maintained and periodically revised by the UIS in consultation with Member States and other international and regional organizations. ISCED 2011 is the second major revision of this classification (initially developed in the 1970s and revised in 1997). It was adopted by the UNESCO General Conference in November 2011.
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