Dual language education is a program that combines language minority and language majority students for instruction through two languages. This book provides the conceptual background for the program and discusses major implementation issues. Research findings summarize language proficiency and achievement outcomes from 8000 students at 20 schools, along with teacher and parent attitudes.

Bilingual education has long been the subject of major disagreements in this country. This book provides a detailed critique of the two largest studies of U.S. bilingual education programs. It examines the goals of the studies and what can be learned from them. In addition, using these studies as cases, this book provides guidelines on how to plan large evaluation studies to achieve useful answers to major policy questions about education.