This book offers an overview of educational finance law and examines constitutional challenges to state aid plans. Chapter 1 provides an introduction to education finance litigation, including the early history of education finance litigation and early education finance theory. Chapter 2 discusses the states' responsibilities for providing equal educational opportunities for public education. The third chapter discusses the relationship between revenues (state and local) and equity (horizontal and vertical). Chapter 4 examines state finance distribution formulas, and chapter 5 presents measurements of education finance equity that occur along the three dimensions of resource accessibility, wealth neutrality, and tax yield. The sixth chapter examines two aspects--the philosophical and constitutional--of the basis for education finance challenges. Overviews of early and contemporary education finance literature are presented in chapters 7 and 8. Chapter 9 offers an analysis of present strategies and lawsuits, and the final chapter discusses the future of education finance issues. Five tables, three figures, and a tables of cases are included. (LMI)