Their Website database allows you to search for information they maintain on some 14,000 organizations by name, and locate volunteer opportunities,programs and services, news, jobs and internships. The Foundation Center is an independent nonprofit information clearinghouse, whose mission is to collect, organize, analyze, and disseminate information on foundations, corporate giving, and related subjects to grantseekers, grantmakers, researchers, policymakers, the media, and the general public. They maintain an Online Library, where they will answer your questions about foundations and nonprofit resources. They also maintain a nice webpage with Links to Nonprofit Resources. GuideStar, the Donor's guide to the Non-profit Universe is a free information service on the programs and finances of more than 600,000 charities and nonprofits, news on philanthropy, and resources for donors and volunteers.
Profile includes mission statement, financial information, and information on leadership.
NCES is the primary federal entity for collecting and analyzing data that is related to education in the U.S. and other nations. It is a list of State Education Agencies.