Because dual language learners (DLLs) represent a growing segment of the U.S. population, and because the early years are so foundational to long-term success, it is important that education leaders have clear insights about these students: who and where they are, the services they receive, and how they are progressing. Several advocates and…

Only about one-third of children attending school in the United States can read proficiently at fourth grade, according to the National Assessment of Educational Progress, known as "the nation's report card." If that is not dismaying enough, consider the outcomes for the nation's most vulnerable students. The first eight years of…