great sites for K-12 educators
iEARN (International Education and Resource Network) is the world's largest non-profit global network that enables young people to use the Internet and other new technologies to engage in collaborative educational projects that both enhance learning and make a difference in the world. Established in 1988 as a pioneering online program among schools in the the Soviet Union and the United States, iEARN is now active in more than 26,000 schools and youth organizations in 130 countries.