This brief summarizes the experiences of leaders and staff from eight career pathways programs that participated in the Pathways for Advancing Careers and Education (PACE) Evaluation. Based on firsthand accounts, the brief describes how staff perceived the benefits of participating in the randomized controlled trial (RCT) evaluation, the challenges they experienced—in particular recruiting study participants and implementing its random assignment procedures—and how they overcame challenges. The brief then describes lessons staff learned from participating in PACE. The insights presented below will be helpful for future evaluation teams as they approach potential study sites, as well as for programs considering participating in a rigorous evaluation. (Edited author introduction)