Specific "Standards of Learning" Web Sites by State
Montgomery County (Good look at MD Social Studies Standards and future changes) http://www.mcps.k12.md.us/curriculum/socialstd/index.html
West Virginia - http://wvde.state.wv.us/igos/
D.C has just developed their standards and they are not available on line as of yet. To obtain a copy of their standards write or call using the contact information provided on this page.
National Standards Links
A good link to most all subject area national and state standards including links to various professional organizations.