All too often children entering school for the first time as kindergarteners are already lagging behind their classmates. This disadvantage, called the school readiness gap, can affect them socially and academically long past kindergarten. Studies show that closing the school readiness gap will help to close the achievement gap. High-quality preschools, in combination with preschool learning foundations, can help achieve that goal. Those preschool programs that strengthen children’s school readiness operate with a depth of understanding about what children need to learn before they start school. The foundations and the aligned DRDP-R2 will provide the detail and a developmental continuum to assist quality programs prepare children for K-3.