This study examined the "Catch Them Young" approach as a game-changer in the fight against religious extremism in Nigeria with the aim of fashioning a Virtue Ethics-based framework for tackling and erasing religious extremism from Nigeria, especially in its violent forms. The study utilized the qualitative methodology, designed with the Almajiri Islamic system of education practiced in Northern Nigeria as case study. In data collection, the study utilized archival research and secondary data collection, using existing datasets from paperback and electronic books, academic journals, other academic works, newspapers, websites, electronic magazines, and other available media sources. The method of analysis was thematic. The study explored the theoretical frameworks through which the question of religious extremism has been studied. The study probed the approaches which the Nigerian goverenment has applied in its response to violent religious extremism and terrorism in Nigeria. The key findings of the study showed that political interest, unemployment, poverty, deprivation, ignorance and inadequate education are the major factors contributing to religious extremism in Nigeria. The existing approaches of military means (hard power) in combating religious extremism have not worked, and a feasible, proactive, non-military (soft power) means is needed. Results equally showed the Almajiri system in it's present state as counterproductive. Based on the success of youth programs with nearly the same goals as the catch them young strategy in other fields and/or in other places, the success of the "Catch Them Young" approach in virtue or character education of the Nigerian child is a feasible game-changing stratey to pursue in fighting religious exteremism in Nigeria. One limitation of the study is the small sample size, the Almajiri of norther Nigeria, which may not be representative of the entire population of Nigeria. This study serves as a reference for creating virtue ethics-based frameworks in the fight against religious extremism in Nigeria. More research is needed to give traction to the formulation and utilization of virtue ethics-based frameworks in the fight against religious extremism, and in every other field of human endeavor in Nigeria. This makes available more material to researchers, professionals and policymakers. / Thesis (STL) — Boston College, 2023. / Submitted to: Boston College. School of Theology and Ministry. / Discipline: Sacred Theology.