A concern for child well-being prompted the Canadian Policy Research Networks to undertake a three-year multi-staged project which asked, "What Is the Best Policy Mix for Canada's Children?" This study provides some answers based on a synthesis of that research, which examined policy practices, policy thinking, public values, and the outcomes achieved by children in Canada and a number of comparable countries. It knits together the key findings from several strands of research and demonstrates how policy instruments can be combined across sectors to achieve policy goals that lead to improved child outcomes.