http://www.cr.nps.gov/aad/particip.htm#learn
Explore, Learn, and Participate
An excellent place to start learning about archeology from the Archeology and Ethnography Program of the National Park Service
http://www.cr.nps.gov/aad/teach.htm
NPS sites dedicated to teacher resources in archeology
http://www.cr.nps.gov/toolsfor.htm
Tools for teaching archeology by the National Park Service
http://www.cr.nps.gov/aad/archbook.htm
A bibliography of  books for students and adults
http://www.cr.nps.gov/aad/statearc.htm
A listing of all the state archeology week or month long celebrations
http://www.cr.nps.gov/aad/pubs/tchbrf15.htm
Information on state archeology weeks including public outreach
http://www.cr.nps.gov/aad/npsites.htm
A regional listing of  archeological research taking place in the national parks
http://www.cr.nps.gov/seac/seac.htm
The Southeast Archeological Center of the National Park Service
They have a large links page
http://www.nps.gov/mrc/resource/arch.htm
The National Capitol Region Archeology Program in the Washington D.C. area
http://www.co.blm.gov/ahc/projarc.htm
Project Archeology from the Bureau of Land Management