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…

From 1990 to 2006, the number of Hispanic students in U.S. public schools nearly doubled, accounting for 60% of the total growth in public school enrollment. Approximately 10 million Hispanic students are enrolled in the public K-12 system, comprising nearly one-fifth of public school students in the United States. This issue of "The Progress…