www.tolerance.org
The Teaching Tolerance project of the Southern Poverty Laws Center maintains a site containing information and teaching activities to promote the teaching of tolerance and the prevention of hate crimes.

www.rethinkingschools.org
Rethinking Schools is an organization of educators whose goal is curriculum and instructional strategies that promote equity and social justice.  The site includes articles, position statements, resources and teaching ideas.

http://www.cr.nps.gov/nr/twhp/  
The United States National Park Service.website "Teaching with Historic Places" uses the National Register of Historic Places as resources for linking curriculum to local communities.  Teaching ideas are organized by national history standards and by location.

http://pzweb.harvard.edu/
http://www.pz.harvard.edu/Research/SUMIT.htm
The websites for Project Zero and Project SUMIT at Harvard University describe research projects on children's and adult learning using Howard Gardner's Theory of Multiple Intelligences and offer model schools and curricula

http://pss.uvm.edu/pss162/learning_styles.html
A brief questionnaire on the Learning Styles website allows viewers to assess their "intelligence" strengths and weaknesses.

http://www.tomsnyder.com/
Tom Snyder Productions' website reports on software and professional development for computer-enhanced, interactive instruction in a variety of curriculum areas.  Snyder was an early advocate of the "one computer classroom."  

http://www.inspiration.com
Inspiration Software, Inc. offers programs for all elementary and secondary students, using graphic organizers to enhance thinking skills and writing. 

http://webquest.org/
Bernie Dodge at San Diego State University has developed a site to support teachers using WebQuestsself-contained pathways through the Internet that provide background information, lessons and activities related to particular themes of study.