Impact
Academy
http://www.nagc.org/ProgrammingStandards.aspx
National Association for Gifted Children
http://www.tip.duke.edu/node/84
General Research
DI Differentiated Instruction Sites
http://www.byrdseed.com/offer-choice-with-extension-menus/
http://tagclusterteachers.wikispaces.com
Davidson Institute
Hoagies
Emotional Needs
SENG