You can find out more about these organizations by visiting their home pages.
The Association of Assistant Principals of New York City
http://www.aapny.org/
Foreign Policy Association
http://fpa.org
Association of Teachers of Social Studies/UFT
http://www.uft.org/committees/atss
Middle States Council for the Social Studies
http://mscfss.weebly.com/
Morningside Center for Teaching Social Responsibility
http://www.morningsidecenter.org/
National Council for History Education
http://www.nche.net
National Council for Social Studies
http://www.ncss.org/
National Staff Development Council
http://www.nsdc.org/
Organization of American History
http://www.oah.org
Phi Delta Kappa
http://www.pdkintl.org/