FrontMatter -- Acknowledgments -- Contents -- Tables, Figures, and Boxes -- Acronyms and Abbreviations -- Summary -- 1 Introduction -- 2 American Community Survey Estimates -- 3 Quality and Comparability of State Tests of English Language Proficiency -- 4 State Procedures for Identifying and Classifying English Language Learners -- 5 Comparison of American Community Survey Estimates and State Counts -- 6 Comparability of Estimates of Immigrant School-Age Children -- 7 Decision Criteria and Recommendations -- References and Bibliography -- Appendix A: Review of English Language Proficiency Tests -- Appendix B: Biographical Sketches of Panel Members and Staff -- Committee on National Statistics -- Board on Testing and Assessment.