Two-way language development programs are full-time programs that use two languages, one of which is English, for the purpose of instruction. Ideally, these programs are composed of elementary or secondary students half of whom are native speakers of English and the other half of whom are native speakers of the other language of instruction.…

The academic achievement of limited-English-speaking (LEP) students has long been a major national educational concern. This digest focuses on: (1) factors that promote or inhibit academic achievement in a second language; (2) the length of time needed for LEP students to achieve at comparable levels in school with their native English-speaking…

The organization of English as a second language (ESL) programs varies greatly, according to the student population, individual student characteristics, and district resources. They can be broadly categorized as either stand-alone ESL or ESL-plus. In general, stand-alone programs group limited-English-proficient (LEP) students together and…