This report presents an analysis of the effectiveness of Ohio's Learning, Earning, and Parenting (LEAP) Program in encouraging school attendance by pregnant and parenting teenagers on welfare. It describes LEAP as a statewide program that provides pregnant and parenting teenagers with financial incentives to go to school. The report's eight chapters are divided among three main parts: Introduction to LEAP and Its Evaluation; LEAP Program Operations; and LEAP Program Effects. Chapter 1 includes a brief description of the LEAP program model, a discussion of LEAP's policy significance and previous research in this area, and an explanation of the research design that underlies the evaluation of LEAP. Chapter 2 discusses the analysis plan and the study's data sources, and chapter 3 describes the sample. Chapter 4 provides an overview of program implementation between 1989 and 1992, and summarizes the lessons that can be drawn from this experience. Chapter 5 assesses the operation of LEAP and chapter 6 discusses the teenagers' perceptions of LEAP and its incentive structure, drawing on data from both surveys and focus group discussions. Chapter 7 considers the program's impact on school and adult education program enrollment, relying primarily on survey data. Chapter 8 examines effects on school attendance and provides early findings on school progress and completion, using both survey and school records data. Four appendices are included which provide further information and examine technical issues related to the data used in the analysis. (Numerous figures and tables supplement the text. Contains 40 references.) (Author/NB)