For over a decade, a group of organisations has been running more than 52 prevention and early intervention programmes throughout the island of Ireland. This Initiative funded by The Atlantic Philanthropies, sometimes in conjunction with Government and other organisations supports diverse services working to influence a wide range of outcomes for children. ‘Children’s Learning’ is the fourth report in the series ‘Prevention and Early Intervention in Children and Young People’s Services’ produced by the Centre for Effective Services. This briefing paper provides a summary of the key learning from ten programmes that have been evaluated. It contains 8 key messages and 11 recommendations.