This digest provides general information on the characteristics of English language learners (ELLs) in U.S. preschool and primary school programs and describes learning conditions and instructional practices that are most effective for educating young ELLs. The digest suggests that as young ELLs enroll in preschool and primary school programs in…

The number of languages spoken throughout the world is estimated to be 6,000. Although a small number of languages serve as important link languages or languages of wider communication around the world, these are very often spoken as second, third, fourth, or later-acquired languages. Fewer than 25% of the world's approximately 200 countries…