The Beyond 9/11 Project
http://www.BeyondSeptember11.org
The Beyond September 11 Project was formed to sustain a desire to learn and encourage an on-going exploration of the issues surrounding 9/11, especially to place them in a historical and global context.  This resource designed for educators and their students provides an opportunity to examine the relationship between identity and culture, foster constructive dialogue, and build a safe, secure, and reflective environment in order for all to learn and develop.   


Smithsonian On-line September 11 Exhibition
http://americanhistory.si.edu/september11
Visit the online site of the Smithsonian National Museum of American History exhibition, "September 11: Bearing Witness to History."  Soon after 9/11, the museum began collecting objects to document the attacks and their aftermath.  The site contains images of collected artifacts, stories behind the artifacts, and interviews with museum staff on the collection's significance.    


America Responds: Classroom Resources from PBS
http://www.pbs.org/americaresponds
PBS' website provides a wide range of resources for understanding the events and aftermath of September 11.  It includes information on related Frontline and NOVA specials, some of which come with a set of teacher resources and lesson plans.  Additional lesson plans that are specifically related to September 11 are available under the site's Classroom Resources.  


Lesson Plans from NY Times Learning Network
http://www.nytimes.com/learning/general/specials/terrorism/index.html
The New York Times' online Learning Network works to integrate the paper's outstanding reporting into the curriculum.  In the wake of September 11, it has created a series of lesson plans for grades 6-12.  Each lesson plan is tied to a lead article published in the paper and comes with suggested activities, other links, and an explanation of how the lesson satisfies academic content standards.  


Choices for the 21st Century Education Program
http://www.choices.edu/twtn.cfm?id=9
Based at the Watson Institute for International Studies at Brown University, Choices works to bring key public policy issues to the classroom.  Special resources on September 11 start with a discussion of policy options for the U.S.  The site also houses useful lesson plans and interviews with the Institute's research scholars.  


Beyond Blame: Reacting to the Terrorist Attack
http://www.teachervision.com/lesson-plans/lesson-6930.html
The Education Development Center, Inc. developed a set of three-lesson units for middle and high school students that focus on the issue of justice and mislaid blame.  These lesson plans specifically draw parallels between today's events and the internment of the Japanese-Americans during WWII.  


Constitutional Rights Foundation: America Responds to Terrorism 
http://www.crf-usa.org/terror/America%20Responds%20to%20Terrorism.htm
The Constitutional Rights Foundation had prepared "America Responds to Terrorism," a new series of on-line lessons and resources designed for classroom use.  Main categories include Terrorism, Reactions to Tragedy, Information and Disinformation, Civil Liberties in Wartime, Islamic Issues, and International Law and Organizations.