Dual enrollment--a program in which high school students take college classes, earning credit for both--is growing at a rapid pace across America's high schools and community colleges. While dual enrollment can help students fulfill high school graduation requirements and simultaneously make progress toward a postsecondary degree, some student…

While computer science is widely recognized as crucial for all U.S. high school students, challenges persist for teachers' pedagogical, content, and culturally responsive-sustaining education. In this paper, we explore how a co-teaching model with an experienced CS instructor shaped three novice CS teachers' knowledge while implementing Advanced…

This dissertation consists of three studies exploring factors affecting whether, when and how students engage in sense making in science disciplines, and the epistemological components of instruction that impact their engagement. Each study is grounded in science education reform efforts, including the Next Generation Science Standards (NGSS),…