The Common Core Standards Initiative
The Common Core State Standards provide a consistent, clear understanding of what students are expected to learn, so teachers and parents know what they need to do to help them.
http://www.corestandards.org/
NASSP
NASSP promotes excellence in middle level and high school leadership through research-based professional development, resources, and advocacy so that every student can be prepared for postsecondary learning opportunities and be workforce ready
http://www.nassp.org/
NAESP
The mission of the National Association of Elementary School Principals (NAESP) is to lead in the advocacy and support for elementary and middle level principals and other education leaders in their commitment to all children.
http://www.naesp.org/