Multilingualism is an international fact of life and increasing in the United States. Multilingual families are exceedingly diverse, and policies relevant to them should take this into account. The quantity and quality of a child's exposure to responsive conversation spoken by fluent adults predicts both monolingual and multilingual language and…

Children in immigrant families account for nearly one-in-four children in the U.S. They are the fastest growing population of children, and they are leading the nation's racial and ethnic transformation. As a consequence, baby-boomers will depend heavily for economic support during retirement on race-ethnic minorities, many of whom grew up in…