Language(s) used to convey a specified curriculum in a formal or nonformal educational setting.
UNESCO. Education for all: literacy for life; EFA global monitoring report, 2006. Paris: UNESCO, 2006.
A strategy of bilingualism produces better learning outcomes, and higher rates of internal efficiency in schools, when the first language of instruction is already understood by the learners and the second (foreign) language is introduced earlier on as a subject to be taught and learnt, becoming the language of instruction in later years (Ndoye, 2003: 4).
Ndoye, Mamadou. « Bilingualism, language policies and educational strategies in Africa ». IIEP newsletter 21, no 3 (2003): 4.