This paper builds upon prior research that examined the lived experiences of Black female students in undergraduate electrical engineering (EE) programs at Minority Serving Institutions (MSIs), with a focus on identity development, resilience, and systemic barriers to persistence. That earlier work, grounded in intersectionality and STEM identity theory, utilized direct student narratives and thematic mapping to illuminate how multiply marginalized students navigate engineering spaces. In the present study, we extend that inquiry by shifting from qualitative narrative to quantitative visualization—constructing a data-driven pipeline model that traces the educational trajectory of Black female students from K–12 STEM exposure through EE degree attainment.
Using publicly available datasets from the National Center for Education Statistics (NCES), the National Science Foundation (NSF), and organizational reports from the National Society of Black Engineers (NSBE), we identify key drop-off points along the EE pathway. These include disparities in early STEM access, intent-to-major gaps, enrollment bottlenecks, and persistence challenges within engineering curricula. The resulting Broadening Participation Pipeline Tracker employs Sankey diagrams to visualize student flow through each stage, quantifying attrition and highlighting where targeted interventions could yield the greatest impact.
This work supports institutional and policy-level efforts to broaden participation in engineering by making visible the systemic leaks that disproportionately affect Black women. It offers a replicable framework for mapping marginalized student trajectories in other STEM disciplines. By integrating national data with insights from prior qualitative research, the paper bridges the gap between narrative and numeric, offering a holistic view of the structural dynamics that shape engineering education. Ultimately, it contributes both a methodological innovation and a strategic tool for equity-centered research, grant development, curriculum design, and outreach programming.
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