This Notice of Funding Opportunity (NOFO) invites R25 applications to support the development and implementation of research education programs for undergraduate students from diverse backgrounds, including those from groups underrepresented in the biomedical and behavioral sciences. It is essential to expand and diversify the skilled aging research workforce and provide exposure to aging research to individuals early in their careers. The proposed research education programs will support intensive research experiences in the aging field with the goal of preparing undergraduate students to transition into strong, research-focused advanced degree programs or competitive private sector research careers in aging-related disciplines.This NOFO does not allow participants to lead an independent clinical trial, but does allow them to obtain research experience in a clinical trial led by a mentor or co-mentor.