English Language Development (ELD) is a systematic instructional model designed to develop the English language proficiency of English language learners (i.e., students who speak English as a second language

Retrieved from http://eldstrategies.com (December 16, 2018)

According to an online article published in The American Federation of Teachers (aft.org December 2013) by authors: William Saunders, Claude Goldenberg, David Marcelletti. Collectively, they expressed that ELD instruction is designed specifically to advance English learners' knowledge and use of English in increasingly sophisticated ways. …In the context of the larger effort to help English learners succeed in school, ELD instruction is designed to help them learn and acquire English to a level of proficiency (e.g., advanced) that maximizes their capacity to engage successfully in academic studies taught in English.

Retrieved from https://www.aft.org/periodical/american-educator/summer-2013/english-language-development (December 16, 2018)