A wonderful program by the nonprofit Achieve, this site helps states benchmark standards and assessments against the best in the U.S. and the world, with PDF reports on select states and information on an initiative to improve mathematics achievement in middle schools.
Developing Educational Standards
A truly remarkable site, chock-full of standards-in-education links and information, including State Focused Groups such as Maine Mathematics & Science Alliance and Centers, Clearinghouses, and Labs such as the Center on English Learning and Achievement. Scroll down and click on each section's Resources Page to read full descriptions.
Learning Standards by State
Need a quick overview of your state's learning standards? This site provides an easy, alphabetical linked list of state Departments of Education, complete with links to each state's learning standards.
If you're familiar with the standards, but want to do more in-depth research, this site helps you narrow your search to state, grade, subject, and even specific skills, such as writing, grammar, or listening. Even better, you can compare your state's standards to another and have them displayed side by side!