Youth substance use challenges their health and well-being. There is research and practical need for rigorous evaluation of substance use prevention programs in prompting positive youth development. This study examined the program effectiveness of Health Rocks!, a youth substance use prevention program, with a quasi-experimental two-factor mixed…

Out-of-school-time (OST) programs and their funders rely on sound data to make decisions about everything from professional development and student recruitment to the selection of activities to offer students. Programs operate at a range of times (before and after school, weekends, summer) and in a variety of locations (e.g., schools,…

Young people need digital competency and confidence to effectively harness computing power to solve problems and design solutions; a core component is improving young people's computational thinking. Unfortunately, access to computer science education is lacking for all youth, and in particular for youth who live in lower-income households, who…

Summer youth employment programs (SYEPs) have the potential to serve as critical bridges to promising careers, especially for young people who hail from disadvantaged backgrounds or reside in underserved areas. Summer jobs can provide early exposure to professional environments, equipping participants with essential skills for the workplace,…

This dissertation consists of two chapters that examine the impact of educational and positive youth development programs on students' academic and behavioral outcomes. In the first chapter, I evaluate the effect of the Community Eligibility Provision (CEP) program, a school meal provision allowing schools meeting the eligibility requirements to…

Studies have documented widespread academic disengagement in middle and high school students. This disengagement has been tied to a myriad of negative outcomes, including failure to graduate from high school and transition into college and meaningful vocations. Supporting adolescents in cultivating a sense of beyond-the-self purpose is one factor…

Data from the U.S. Census Bureau indicate that in 2016 over four million young people in the United States were "disconnected," meaning they had not been enrolled in school in the previous three months and were not working. Although this number has fallen in the years since the Great Recession (which officially ended in 2009), as the…

Barack Obama's "My Brother's Keeper" is designed to narrow persistent gaps that boys and young men of color confront often and to help all young people achieve their potential in college and career. An important part of this initiative is comprehensive mentoring that supports students in schools and in communities. Because…

Many youth in America are not on track for labor market success. One factor that increases the risk of poor labor market outcomes among these youth is dropping out of school (Rumberger 2020). Youth who drop out of school are at greater risk for job instability and for lower longterm earnings (Hair et al. 2009). They are also more likely to…

Educational disparities are deeply entrenched in U.S. society. Our research focused on a move toward equity and investment in one Midwestern charter school via the implementation of the African American Student Network. Participants were 15 male and 15 female students in Grades 9 to 12 who participated in the network for one semester. Qualitative…

This study employed a quasi-experimental design to examine the effects of a school-based youth participatory action research program on the education outcomes of participating high school students. The program was a year-long elective course in six high schools in the same California district whose student population is predominantly low-income…

Schools regularly implement numerous programs to satisfy widespread expectations. Often, implementation is carried out with little follow-up examining data that could help refine or determine the ultimate worth of the intervention. Through utilization of both descriptive and empirical methods, this study delved into the long-term effectiveness of…

"You Can't Be What You Can't See" presents a rare longitudinal account of the benefits of a high-quality, out-of-school program on the life trajectories of hundreds of poor, African American youth who grew up in Chicago's notorious Cabrini-Green housing project in the 1980s and early '90s. The result of a five-year research project by…

Many afterschool physical activity programs and curricula are available, but evaluation of their effectiveness is needed. Well-marketed programs such as the Child and Adolescent Trial for Cardiovascular Health (CATCH) Kids Club have shown limited effectiveness in increasing physical activity for participants in comparison to control groups.…

Making the successful transition to adulthood has become increasingly difficult for many young people in the United States, particularly for those without a college education. Those without a high school degree face even tougher prospects, with especially high unemployment rates and falling wages. A typical worker without a high school diploma…