DonorsChoose.org is an online charity connecting classrooms in need with people who want to help. Public school teachers across the country post their classroom wish lists online—ranging from pencils to violins to microscope slides—and people like you are able to help out with just a click. "DonorsChoose is a fantastic organization, and they're a supercool way to give," Oprah says.Read the full story on Oprah.com.