The purpose of this study was to examine the impact of a three-year Professional Learning Community (PLC) staff development initiative that took place in a suburban school district in Connecticut. An operational definition for PLCs was developed. This definition may prove beneficial for future research on PLCs. A comprehensive review of the current literature base was conducted, including the detailed examination of one earlier literature review (Vescio et al., 2008) and six empirical studies which examined the relationship between PLC-like initiatives and student performance. The present study builds upon the relevant literature base, specifically by attempting to determine the relationship between teacher collaboration and two dependent variables: changes in teachers’ instructional practice and student achievement outcomes. In addition, the study considered the relationship between the support provided by administrators to PLCs and student achievement outcomes. Achievement outcomes were measured by performance on Connecticut’s annual standardized assessments. Correlational and multiple regression analyses were conducted to examine the relationships between the variables. Survey data viii were drawn from a sample of 325 teachers, while student achievement data were drawn from a sample of approximately 2,270 students. A modest, statistically significant relationship was noted between administrative support for PLCs and student performance in both reading and writing. No statistically significant relationships were observed between collaboration and student achievement outcomes. A significant relationship was noted between collaboration and changes in instructional practice as measured by responses on the survey instrument. In addition, the interaction of teacher collaboration and administrative support served as a predictor for student performance in both reading and writing, suggesting that optimal learning occurs when teachers in PLCs collaborate at high levels while simultaneously receiving strong administrative support. The study concludes with a discussion of the implications of the findings for policy, professional practice, and future research on the topic of PLCs.

Thesis advisor: G. Michael Barnett / Many stakeholders emphasize the importance of diverse populations’ participation in the sciences, though the motivations for this vary. Some reference an economic standpoint by emphasizing the importance of either recruiting more science workers to compete in a global economy, or of individual financial success for people from historically marginalized groups. However, a growing body of researchers and educators has emphasized the importance of increasing representation from historically marginalized communities in science because their exclusion from discussions about science funding, research, and implications has resulted in widespread harm to communities. The goal of this research is to broaden science participation for the purposes of democracy and strong equity. This work expands on the Democratic Science Teaching (DST) framework, articulated by Basu & Calabrese Barton in 2010. While the original work articulated a theory by identifying goals and practices in existing science classrooms, this work explores the possibilities of using DST as a framework for teacher learning.This dissertation consists of three papers. Paper 1 details the development of an instrument to measure teaching practices aligned with democratic science teaching. The instrument could be used and built on by researchers, teacher educators, and school leaders who wish to use tools to develop democratic accountability in their systems. Paper 2 is a case study exploring how teacher beliefs and actions are activated through interaction with the DST framework. The study follows one novice physics teacher who participated in a DST-aligned professional learning fellowship for one academic year. Paper 3 is a practitioner-facing piece that functions as a starting point for teachers who are interested in developing democratic teaching practices in their own classrooms. The paper outlines the DST framework for teachers, explores how a photo-journal project supported students in making connections between their personal lives and science content, and presents other strategies used by teachers to bolster student voice, shared authority, and critical science literacy. Altogether, these papers offer understanding of teachers’ experiences as they work with the DST framework as learners, and provide tools for science teachers, teacher educators, and other education leaders to develop DST-aligned programming, and more broadly consider democratic and holistic systems of accountability for teachers. / Thesis (PhD) — Boston College, 2023. / Submitted to: Boston College. Lynch School of Education. / Discipline: Teacher Education, Special Education, Curriculum and Instruction.

This study provides a qualitative interpretation of the work done by central office administrators in a school district in Texas as they supported and built capacity for the professional learning community (PLC) process over a five year time period. Literature by PLC scholars, especially R. DuFour, R.B. DuFour, Eaker, Hord, Hipp, Huffman, and Olivier, informed development of the study. In a school district of 19,000 students and 2,000 staff members, ten central office administrators were interviewed to gain their perceptions of their roles in the PLC process. Interviews were analyzed through the processes of initial, focused, and theoretical coding. Documents were examined and used as supplemental sources of data to corroborate the perspectives provided. Findings revealed the story of central office administrators who worked interdependently to support and build capacity in the implementation and sustainment of the PLC process. A thick description of the work based on their perceptions offers actions and behaviors of administrators specific to their roles and practices and protocols developed to hold the work together. A grounded theory was developed with regard to central office administrators' support and capacity-building for the PLC process. From the administrators' perceptions, six theoretical categories relating to central office support and capacity building of the PLC process emerged: 1) establishment, 2) deployment, 3) accountability for implementation, 4) adult learning, 5) collaboration, and 6) leadership development. The study contributes an interpretivist description of the involvement of central office in the PLC process and confirms the importance of the change process in the implementation of the PLC framework.

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The purpose of this mixed methods study was to determine which dimensions, as represented by the Professional Learning Community Assessment – Revised dimensions, are present in the environment of North Texas elementary schools and their impact on student growth. A survey design was utilized in which elementary principals and teachers in a selected school district completed the Professional Learning Community – Revised survey developed by Hipp and Huffman (2009), to gather perceptions of PLC implementation within their school environments as well as reflect strengths and needs regarding each dimension. The results of the survey were analyzed and one-to-one interviews were completed to clarify and support survey results. Bivariate and multiple regression analysis were used to determine correlations between dimensions present in a school’s environment and their impact on student growth. The study found a statistically significant relationship between the dimensions of shared values and vision and shared personal practice and math growth. Although PLCA-R dimensions were not found to be statistically significant in predicting reading and math growth, the effect sizes were notable at 22.4% for reading growth and 15.8% for math growth. This study’s findings provide important information which educators can use to implement practical application of Professional Learning Communities within their schools and districts. By understanding which dimensions are present within a school’s environment as well as their impact on student growth, educators can continue to increase knowledge and develop a focused plan for implementing strategies which are effective in strengthening teaching and learning in order to increase student achievement.

The present study used Nardi and O’Day’s (1999) information ecology theory, along with activity theory (Wertsch, 1998), social learning theory (Wenger, 1998), and situated learning theory (Lave, 2009; Lave & Wenger, 1991) to examine the informal professional learning of a high school social studies department. Existing literature is just beginning to attend to the potential of informal professional learning, so this exploratory study used a single-case study of a high school social studies department made up of 12 teachers. Data included observations of scheduled and spontaneous collaborative learning activities, department meetings, and in-service meetings; semi-structured interviews; and relevant documents to consider how high school social studies teacher participants navigate their own informal professional learning. Supporting research questions included: (1) How do high school social studies teacher participants choose what to do to individually and collectively meet their professional learning needs? (2) What actions do participants take to meet their professional learning needs individually and collectively? (3) How do participants evaluate their professional learning growth individually and collectively? (4) How do participants interact with one another and with the environment as they navigate their own professional learning? Results indicated that participants valued their informal professional learning experiences, engaged in reflection throughout their informal professional learning, were influenced by departmental leadership, and experienced successes and failures in their informal professional learning goals. The department’s informal professional learning was important but also imperfect. Further consideration of teachers’ informal professional learning may offer new ways to support teacher growth.

This study examined the relationships between leadership practices of principals and strength of schools as sustainable professional learning communities. Strength of schools as professional learning communities was measured using the Professional Learning Communities Assessment; leadership practices were measured using the Leadership Practices Inventory both Self and Observer protocols. Findings indicated that neither principal's self-perceptions of their leadership practices nor teachers' assessments of their principals' leadership practices were related to strength of schools as professional learning communities. Findings did indicate ten specific leadership behaviors of principals that appear to be more highly related to strength of schools as learning communities. Further analysis which focused on the two strongest learning community schools and the two weakest learning community schools indicated that three specific leadership behaviors within Kouzes and Posner's practices of modeling the way and enabling others to act appear to be the most strongly related to reculturing schools as sustainable professional learning communities. Principals who set a personal example of what they expect of others are most likely to lead schools that function as strong learning communities. Additionally, principals who build consensus around a common set of values are also most likely to lead strong learning communities. Finally, principals who develop cooperative relationship with co-workers are most likely to lead schools that function as strong learning communities.

The purpose of this qualitative study was to explore the leadership practices of principals who sustain professional learning communities. The study was conducted using semistructured interviews with 2 elementary school principals from a noted professional learning community district in Henderson, Kentucky. A Professional Learning Community Assessment Survey was completed by the teachers in both elementary schools. Photographs of each school and a review of school documents triangulated the research of these 2 professional learning communities. In interviews the principals described their roles in: (1) defining a professional learning community or PLC, (2) supporting and sustaining a PLC, (3) supporting professional dialogue opportunities in a PLC, and (4) identifying shareholders as an essential element in successful professional learning communities. The teacher surveys helped to confirm the principals' perceptions and the roles of the principals in supporting and sustaining a professional learning community. The teachers defined the principal's role in supporting and sustaining a professional learning community as (1) involving staff in decisions, (2) incorporating teachers' advice to make decisions, (3) providing staff members access to key information, (4) the principal being proactive, (5) enabling staff members to initiate change, (6) sharing responsibility and rewards, (7) sharing power and authority, and (8) promoting and nurturing leadership. The effective leadership practices of both principals support successful and sustainable professional learning communities. The triangulation of data reinforced these conclusions: (1) both principals have effective leadership practices that support and sustain a PLC, (2) the majority of teachers from both schools who participated in the survey overwhelmingly approve of the leadership practices of their principals, (3) continued improvement in student assessment results over a period of years support the practices of the principals, and (4) effective leadership practices strengthen the professional learning concept of supporting and encouraging continued student and teacher progress. The results from this study were intended as a reference for principals and school districts concerning the effective practices of principals to support and sustain professional learning communities.

According to recent research, approximately 40-50% of teachers leave the profession within the first 5 years, creating a constant need for teachers. There is evidence that creating a supportive working environment through effective professional learning, drawing on adult learning theory, may reduce teacher turnover and increase student performance. This study explored teachers' perceptions about the professional development offerings available to them, how these perceptions influence their decisions to remain at the school, and what types of professional learning experiences teachers want to experience. Fourteen high school teachers participated in individual interviews and 2 focus groups, which were analyzed inductively for themes. Participants revealed that voice, choice, effective professional development, time, collaboration, school climate, and the district's professional development program were instrumental in creating a supportive environment. These results suggest that creating professional learning programs that incorporate the attributes of effective professional learning and encourage teacher participation are important at all points of the process. A professional learning plan project was designed in response to the study findings and recommendations. This study may lead to social change by providing the target school district and its building level administrators with a plan for professional learning based on teacher input, effective practices, and adult learning theory to use as a viable method to retain effective educators that, in turn, may result in improved student performance.

Online communities of practice (CoPs) provide social spaces for people to connect, learn, and engage with one another around shared interests and passions. CoPs are innovatively employed within industry and education for their inherent knowledge management characteristics and as a means of improving professional practice. Measuring the success of a CoP is a challenge researchers are examining through various strategies. Recent literature supports measuring community effectiveness through the perceptions of its members; however, evaluating a community by means of member perception introduces complicating factors from outside the community. In order to gain insight into the importance of external factors, this quantitative study examined the influence of factors in the professional lives of educators on their perceptions of their CoP experience. Through an empirical examination of CoPs employed to connect educators and advance their professional learning, canonical correlation analysis was used to examine correlations between factors believed to be influential on the experiences of community members.