This executive summary provides highlights of the full report, looking at the impact of the Seed Model Campus Cohort Program in its first 3 years of implementation. Evidence put forth in the report suggests that by deliberately focusing on inclusive program design and peer-to-peer sharing with a focus on growth, the program already positively contributes to SEL implementation, particularly through increased coordination of SEL leadership efforts and through increased adult SEL skills. [For the full report, see ED629904.]