A blog called "Curriculum Integration and GIS in Education" - postings by an education consultant from Alexandria, VA. http://gisined.blogspot.com/

A GIS Resources page for K-12 Education - includes news, a student data mapper, and a national listing of teacher trainings. http://www.kangis.com

A GIS and GPS Resources page for K-12 Education - originally put together for educators and students in Illinois' school system. http://www.gis2gps.com

A Basic GIS Information Page at USGS - plus neat stuff like how Cro-Magnon hunters used GIS (GIS through history) http://erg.usgs.gov/isb/pubs/gis_poster/

National Geographic - Interactive mapping application (Map Machine) plus various free downloadable maps and map products for sale. http://www.nationalgeographic.com/maps/

ESRI - A software company that provides many resources at its web site, including a special page for educators, a virtual campus that offers inexpensive training, and downloadable free software. http://www.esri.com (http://www.esri.com/k-12 for the educators page).

Intergraph - another software company that offers a free GIS starter kit using its open-GIS software application called GeoMedia. http://www.intergraph.com/schools/

Mapinfo - another software company that offers resources to educators. Choose Industries>Education at the main website. http://www.mapinfo.com/

US Geological Survey - Geography Section. http://geography.usgs.gov/index.html

US Geological Survey - Resources for K-12 Educators. http://ask.usgs.gov/education.html