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Introduction Despite years of research and practice, there remains a need to broaden participation in engineering. The NSF-funded research study [PROGRAM] addresses this issue by providing engineering curricula and professional development for high school teachers. [PROGRAM] also engages in building and maintaining a Community of Practice (CoP). The CoP model allows for strategic partnerships to create lasting connections between high schools and various community partners. Community partners include stakeholders such as school counselors, school administrators, district officials, parents, university liaisons, community liaisons, and industry representatives that cultivate a local ecosystem to support students and teachers in this pre-college engineering education initiative. Since the roles and responsibilities of community partners vary, this paper focuses on one type of partner: university liaisons. Within the CoP, university liaisons voluntarily commit their knowledge and expertise to support high school teachers during professional development and curriculum implementation. Each liaison typically supports up to two high schools. Liaisons also engage with each other via Slack, an online communication platform. Objective Our paper examines how university liaisons engage with the CoP in [PROGRAM]. The goals of this study are to: 1) Capture aspects that are currently viewed as exciting or challenging for university liaisons, and 2) Understand ways in which [PROGAM] could facilitate further involvement of these university liaisons in the CoP. Methods After obtaining IRB approval, we conducted virtual focus groups with five liaisons from distinct universities who work with eight [PROGAM] schools. Two focus groups averaged 60 minutes long; liaisons discussed their relationships with their partner high schools, resources through [PROGRAM], and education and outreach at their universities. The semi-structured format of the focus groups allowed liaisons to respond to each other and elaborate on their thoughts in a casual atmosphere. The focus groups were recorded and two coders are currently analyzing the transcripts. Results Analysis is ongoing. Initial findings suggest that university liaisons enjoy the experience of engaging with high school teachers and students, especially when they can bring students to campus and share their institutions’ engineering programs. As a proposed program change, liaisons are interested in more structure to the CoP. For example, high school teachers currently meet virtually as small groups for scheduled check-ins; university liaisons expressed interest in a similar monthly meeting to discuss their experiences and share resources and recommendations with other liaisons. Conclusions This paper evaluated the perceived experience of university liaisons in a CoP within [PROGRAM]. Findings provide direction on the best way to support current and future liaisons. These results may also be applicable to other programs that aim to cultivate lasting relationships between K-12 educators and postsecondary institutions. 

As part of the e4usa curriculum, a MATLAB model has been developed and implemented in order to cultivate engineering and computational thinking skills in high school students. The MATLAB model uses a live script that allows students to interact with sliders and dropdown menus to change parameters on a water filtration model. With computational skills increasingly in demand, the literature suggests that adding computational thinking and coding skills as a new form of literacy is crucial for preparing future engineering professionals. Additionally, to ensure that students are better prepared by the time they reach their post-secondary studies, early exposure to computational thinking skills has valuable implications. In this fundamental paper, we describe outcomes resulting from students' interactions with MATLAB in e4usa. The mathematical model allows the students to analyze the effects of different filtration materials, impurities to be removed, length of the water filter, and the space between particles in their filtration material. Using at first a mathematical model rather than testing physical materials will allow them to learn more about their potential filtration materials so that they may make more informed decisions about which filtration materials they want to select for their design and use in the prototype that they build and test. With that said, we focus on student outcomes in this design activity. We hypothesize that this modeling activity prior to design may reduce the time spent in physical testing as well as the volume of materials consumed. Additionally, we are inquisitive about the impact that it has on the subsequent design activities compared to previous semesters where this lesson was taught, where it was observed that students spend a considerable amount of time trying out different materials. As part of our data, we have collected teacher data from surveys, pre and post-responses about their expectations, attitudes, and perceived value of implementing the MATLAB model in their classrooms, class observation data from at least two schools where we noted the interactions between the teachers and students, and teacher and student focus groups at the end of the semester where we expect to collect richer data from these two groups that will allow us to triangulate data collected from surveys and classroom observations. 

Students with disabilities (SWDs) and neurodiverse students are underrepresented at all points along the educational pathway in engineering. One potential entry point for engaging SWDs and broadening future participation in engineering is through the role of stakeholder in engineering design challenges, and specifically during high school, which is a crucial part of the pathway to engineering. High school teachers and students engaged in Engineering for US All (e4usa) have completed several engineering design projects involving SWDs as stakeholders. These projects represent a human-centered approach to engineering that emphasizes a comprehensive understanding of stakeholders. This work in progress will present results from surveys completed by e4usa teachers and students who have engaged in disability-centered engineering design challenges, with SWDs serving as the stakeholder to understand their experiences. Additionally, SWDs serving as stakeholders and those that support them (e.g., special education teachers, paraprofessionals, related service providers, families) will be interviewed about their experiences engaging in their project. Potential implications of the research findings include the impact of engaging SWDs in engineering design, especially as it relates to increased knowledge of general education teachers and students about inclusive practices and supports (e.g., evidence-based practices, alternative communication strategies, prompting). Additionally, the outcomes may contribute to efforts to broaden the participation of SWDs in engineering. Doing so, will help support the e4usa mission, which aims to demystify and democratize the learning and practice of engineering by increasing engineering literacy for all and expand opportunities for those traditionally underserved and marginalized in engineering to pursue careers as engineers and expand the STEM workforce pipeline. 

The Bureau of Statistics identified an urgent demand for science, technology, engineering, and mathematics (STEM) professionals in the coming years. In order to meet this demand, the number of students graduating with STEM degrees in the United States needs to increase by 34% annually [1]. Engineering for US All (E4USA): A National Pilot Program for High School Engineering Course and Database is a NSF-funded first-of-its-kind initiative designed to address this national need. The E4USA project aims to make engineering more inclusive and accessible to underrepresented minorities, while increasing racial, ethnic, and gender representation in higher education and the workforce. The “for us all” mission of E4USA encompasses both students and educators. The demand for engineering educators has increased, but relying on practicing engineers to switch careers and enter teacher preparation programs has been insufficient [2, 3, 4]. This has led schools to turn to educators with limited training in engineering, which could potentially have a significant national impact on student engineering education [5, 6, 7]. Part of the E4USA pilot year mission has been to welcome educators with varying degrees of experience in industry and teaching. Paramount to E4USA was the construction of professional development (PD) experiences and a community of practice that would prepare and support teachers with varying degrees of engineering training instruction as they implemented the yearlong course. The perspectives of four out of nine educators were examined during a weeklong, intensive E4USA PD. Two of four educators were considered ‘novices’; one with a background in music and the other in history. The remaining two educators were deemed ‘veterans’ with a total of 15 years of experience as engineers and more than 20 years as engineering educators. Data sources consist of focus groups, surveys, and artifacts created during the PD (e.g., educators’ responses to reflection prompts and letters written to welcome the next cohort). Focus group data is currently being analyzed using inductive coding and the constant comparative method in order to identify emergent themes that speak to the past experience or inexperience of educators with engineering. Artifacts were used to: 1) Triangulate the findings generated from the analysis of focus group, and 2) Further understand how the veteran educators supported the novice educators. We will also use quantitative survey data to examine descriptive statistics, observed score bivariate correlations, and differences in mean scores across novices and veterans to further examine potential common and unique experiences for these educators. The results aim to highlight how the inclusion of educators with a broad spectrum of past experiences with engineering and engineering education can increase educators’ empathy towards students who may be equally hesitant about engineering. The findings from this study are expected to result in implications for how PD and a community of practice may be developed to allow for reciprocal support and mentoring. Results will inform future efforts of E4USA and aim to change the structure of high school engineering education nationwide.