1. According to the International Standard Classification of Education (ISCED), basic education comprises the two stages primary education and lower secondary education. == Universal basic education == Basic education featured heavily in the 1997 ISCED document, but the term was not included in the glossary. Each country interpreted the term in different ways, and leading up to the 2011 revision, a discussion paper was issued to seek clarification. In most countries, ISCED 1 corresponds to the nationally designated primary education, and basic education includes that and also ISCED 2 lower secondary education (the lower level of secondary school). In other countries, where there is no break between primary and lower secondary education, “basic education” covers the entire compulsory school period. For statistical reasons, ISCED 1 is then considered to be the first six years of schooling. Universal basic education is regarded as a priority for developing countries and is the focus of the Education... from wikipedia.org