First Published in 1999. Code switching is widely used in bilingual communities worldwide, and has been found in government documents, literature, religious works, and song. Pursuing this aim here, chapter 1 addresses the relevance of the study of code switching for education and schooling, focusing on ways in which a misunderstanding of code switching may lead to tacit tracking effects for language-minority children. ACKNOWLEDGMENTS, PREFACE, 1. RATIONALE, 2. LITERATURE REVIEW, 3. RESEARCH DESIGN, 4. SPANISH-NAHUATL CODE SWITCHING: BASIC FINDINGS, 5. A MINIMALIST APPROACH TO CODE SWITCHING, 6. SOME IMPLICATIONS FOR EDUCATIONAL RESEARCH AND PRACTICE, BIBLIOGRAPHY, INDEX