Persistent inequities in STEM education continue to limit access, participation, and achievement among underserved and minority students in the United States, despite sustained national investments. These disparities are exacerbated by structural disadvantages, including resource gaps, systemic inequities, and the often-overlooked impact of trauma on learning outcomes. Trauma exposure stemming from poverty, instability, or violence significantly impairs cognitive functions such as memory, attention, and problem-solving, which are essential for success in STEM disciplines. This study advances the concept of trauma-informed STEM education as a transformative and scalable approach to bridging these equity gaps. Drawing on interdisciplinary evidence and global case insights, the paper proposes a structured framework integrating emotional support systems, mentorship, community-based problem-solving, and educator training within STEM curricula. This approach not only enhances student engagement and retention but also fosters resilience and inclusivity in learning environments. By aligning educational strategies with the psychosocial realities of underserved learners, trauma-informed STEM education enables broader participation and unlocks latent talent within marginalized populations. Ultimately, this framework positions equity as a strategic driver of innovation, workforce development, and national competitiveness. The study concludes that embedding trauma-informed practices within STEM education is essential for cultivating a diverse, resilient, and future-ready talent pipeline in the United States.