The third edition of the widely-used Guiding Principles for Dual Language Education has been updated by a broad range of experts to reflect new knowledge, practices, and policies in the arena of dual language education. Designed for educators, researchers, policymakers, and all who are interested in effective dual language education, the new edition of this widely-used resource includes enhancements to the principles reflecting learning from research and practice, updated literature reviews, and revised templates for program self-evaluation