"Dedicated to improving education outcomes for all children, especially those with disabilities through the use of effective evidence-based practices and interventions." Great for researching inclusive approaches.
"RubiStar is a free tool to help teachers create quality rubrics" for a variety of assignment types and performance measures.
Copyright and Fair Use for Educators
Copyright: rather than ignore it completely or become overly cautious, do what you can to make your intended use more fair, according to the fair use handout below (pdf).