This essay delves into the vulnerability of school children, identifying factors such as low cognitive, physical, and emotional capabilities, as well as dependency on adults and external circumstances like poverty and poor health as key contributors. It explores various determinants of health, including childhood experiences, access to health services, and social support, highlighting their impact on children's vulnerability. The essay emphasizes the crucial role of nurses in mitigating this vulnerability through health education, empowerment, and health literacy. Nurses are positioned as educators who promote awareness, provide emotional support, and facilitate access to health services. The discussion extends to the importance of health promotion programs, community health initiatives, and primary health care in fostering children's well-being and reducing vulnerability. The essay concludes by reiterating the multifaceted role of nurses in ensuring children's physical, mental, and emotional health, thereby contributing to their overall development and the health of the wider community.