The new Common Core State Standards will apply to two subjects, math and English-language arts, and to each grade level. Here's where to find more detailed information on these topics.
A variety of organizations have created publications to help parents learn in more detail about the Common Core State Standards. Pick the subject and you'll be taken to a page with specific guides for each grade.
Common Core Works | Council of the Great City Schools
English Language Arts
National PTA | Note: These materials cover both subjects and grade levels.
California Department of Education | Note: These materials cover both subjects and grade levels.