This guide was prepared by the Early Learning Partnership (ELP) team at the World Bankas a resource for policy makers and development professionals interested in improvingaccess to high-quality Early Childhood Development (ECD) services. It brings togethera selection of approaches to ECD that have been implemented with promising resultsin low- or middle-income countries (or both). The list of programs and approacheshighlighted here is by no means exhaustive; rather, those cited have been selected basedon (i) some evidence of their positive impact or documentation of their results and (ii)their relevance to common needs and questions posed by governments and World Bankstaff working in ECD.