Concepedia

Abstract

iii Acknowledgements v Introduction 1 Data Issues 5 Methodology 13 The Six Educational Disparity Measures 13 The Coefficient of Variation 13 The Gini Coefficient 14 The Theil Coefficient 15 The Federal Range Ratio 16 The McLoone Index 17 Atkinson’s Index 18 Other Methodological Issues 19 The Choice of Educational Disparity Measures 20 The Choice of the Object of Analysis 21 Analysis of the Results 23 Unified Districts 23 Disparity Within States 23 Sample Years 24 The Sensitivity of the Disparity Measures to Outliers 25 Regional and National Disparity 28 Elementary Districts 29 Secondary Districts 29 Summary 31 Endnotes 32