What Your Kindergartner Needs to Know (Revised and updated) This revised and updated edition provides the reader with forty percent new material including illustrations, photographs, and an expanded introduction. This is a necessary guide for all parents and teachers of kindergarten-age children, as established by the Core Knowledge Foundation, an educational reform movement based on the premise that a grade-by-grade core of common learning is necessary to ensure a sound and fair elementary education, and lay the groundwork for a lifetime of learning. Paperback 07/16/2013