Sexual violence among adolescents is a major concern. This study examined the impact of the peer-led "Sources of Strength" program on gender-based violence and attitudes dismissive of sexual harassment. Twenty high schools in Colorado were randomized to intervention (n = 11) or waitlist control (n = 9); students (N = 6461; 9th-11th…

In this study, we assessed the feasibility and social validity of an adapted approach to positive behavior interventions and supports (PBIS) implementation in secure juvenile facilities. The authors developed a comprehensive model of facility-wide positive behavior interventions and supports (FW-PBIS) for use in secure juvenile correctional…

Challenges with numerical proficiency at an early age can lead to substantial gaps in learning and are associated with detrimental long-term outcomes. In addition, students with emotional-behavioral disorders (EBD) can have some of the most challenging behavioral and academic needs to address. The purpose of this study was to identify the effects…

This study reports on the implementation of Gateway to College, a program whose mission is to serve students who have dropped out of high school, or who are at risk of dropping out of high school, by allowing them to earn a high school diploma and credits toward a postsecondary degree. Gateway to College is uniquely ambitious in providing…

The authors describe an impact study of Classroom Assessment for Student Learning (CASL), a widely used professional development program in classroom and formative assessment. Researchers randomly assigned 67 elementary schools to receive CASL materials or continue with regularly scheduled professional development. Teachers in CASL schools formed…

The National Math + Science Initiative's (NMSI's) College Readiness Program (CRP) is an established program whose goal is to promote science, technology, engineering, and mathematics education in high schools to improve students' readiness for college. It provides teacher, student, and school supports to promote high school students' success in…

This study responds to regional and national needs by examining the impact on students' English language proficiency of a particular set of ELL-specific classroom materials in combination with a specific teacher professional development program. The classroom materials used in this study, entitled On Our Way to English (OWE), were authored by…

Collaborative Strategic Reading (CSR) is a multicomponent reading intervention aimed at improving students' text comprehension. Two 1-year randomized controlled trials were conducted to determine the efficacy of CSR with seventh and eighth grade students. The Year 2 replication study was identical to the original Year 1 study except that the…