Background: When New York City's (NYC) Division of Early Childhood Education (DECE) enacted their historic expansion of free programming for four-year-olds under Pre-K for All, they designed a complex system of professional learning (PL) to support teachers and high-quality programming. This study, developed in partnership between NYU and DECE,…

This dissertation consists of two distinct bodies of work. The first leverages a unique aspect of fire ant biology to investigate a potential role for a supergene in genetic assimilation. A supergene refers to a chromosome structural rearrangement, such as an inversion, that regulates the production of an alternative phenotype within a species. In…

The goal of this study was to assess the outcomes of a grant-funded intervention designed to provide comprehensive training and support for holistic admissions in 26 STEM PhD programs at five California research universities. This pilot intervention combined a flexible, research-based model of holistic review, training for faculty involved with…

Despite ongoing efforts to recruit and support successful school leaders, relatively little is understood about the professional experiences and skillsets that principals possess upon entry into their positions. We trace the professional experiences and instructional effectiveness of all educators in Oregon over 14 years. We highlight that many…

Initiatives for teachers' professional development should rely on the epistemology of practice, that is, be founded on the premise that reflective teachers construct professional knowledge and develop professional skills through practice and through planning, observing or analysing practice. Reflection about teaching action and reflection in…

This mixed-methods study examined the factors contributing to teachers' self-efficacy in teaching for conceptual understanding and investigated the impacts of a targeted intervention on their self-efficacy to work toward all students having equitable access to teaching that builds their conceptual understanding. This three-manuscript dissertation…

The researcher of this study explored teachers' perceptions of preparedness to teach and model social emotional learning in a post-pandemic classroom. This study was conducted in a large Northeastern high school and employed a qualitative methodology and a single case study design. CASEL's framework of five social emotional competencies, including…

Effective classroom management (CM) is critical to promoting student success, as there is a clear connection between teacher CM practices and student academic, social, and behavioral outcomes. Research demonstrates that children spend more time academically engaged, progress more rapidly, and have higher levels of academic achievement when they…

Retention of teachers is becoming a complex issue that has been linked to both teacher training requisites and administrative issues. The massive exodus of teachers from their profession has been a worrying trend, and a quicker diagnosis is needed to save the situation. This study aims to explain why teacher retention is becoming more complex and…

This qualitative phenomenological study aims to explore teachers' perceptions of professional learning communities and how they feel it impacts their effectiveness as secondary mathematics teachers in two instructional domains--content knowledge and pedagogy. Teachers spend a substantial amount of their time engaged in Professional Learning…

This phenomenological research study was based on elementary school teachers who felt unsupported by their principals, due to lack of frequent reviews and pertinent evaluations. In previous research studies, researchers stated that many elementary teachers were frustrated, changed schools frequently, retired early, or left the teaching profession…

Agriculture teachers need knowledge and skills in a range of agricultural mechanics topics, such as metal fabrication and power mechanics. Teacher professional development (PD) is one method for improving teacher competence. Both Sorensen et al. (2014) and Yopp et al. (2020) reported differences in teachers' PD needs based on years of teaching…

This article presents critical reflections on a teacher professional development initiative in Kakuma refugee camp and Kalobeyei settlement in Kenya. Drawing on critical development studies, it examines the successes and limitations of efforts to facilitate a community-based participatory process that aims to respond to local refugee teachers'…

In order to graduate as professional engineers in Australia, engineering students undertake internships as part of their degree programmes. The heart of a productive internship programme is the relationship between the workplace supervisor and the student, yet there are significant gaps in the knowledge about the nature and type of professional…

Acknowledging the pivotal role of noticing in teachers' professional work, it is noteworthy that its application in dialogic activities remains an area that has yet to be studied. In this study, we examine mathematics teachers' noticing of dialogue among peers working together on problem-solving tasks and investigate the impact of a professional…