• Grantsmanship Center
  Search for local, federal, and international funding opportunities. Free - registration required.
• Grants.gov
  Search across all federal grantmaking agencies for funding opportunities. Electronic application process available. Searches the Federal Register grant announcements
• Annie E. Casey Foundation
  Kids Count Data center provides excellent data on measures of child-well being by state, county, school district, city. Library of research reports under Resources.
  
• Grantmakers for Children, Youth, and Family
  Association of grantmaking institutions serving children, youth, and families. Excelent research documents in the Resource Library
  
• First Nations Development Institute
  Provides financial and technical support for economic development of Tribal nonprofit organizations.
  
• Americans in the Arts
  Provides resources for support of the arts. Includes Arts and Economic Prosperity Report and a searchable database of research abstracts, news articles, program profiles, and sample documents related to the arts.

Education

• Donors Choose
  K-12 school teachers post classroom project ideas and requests for materials. Donors review and contribute.
• Grant Wrangler
  Provides a current listing of grants and funding opportunities for K-12 districts, classroom teachers, and nonprofits.
  
• Teachers Networks Grant Announcements
  Search for grant opportunities and scholarships for K-12 educators.
• Public Education Grant Announcements
  Excellent resource for grant listings and articles. Weekly grant announcements can be sent to your email via the NewsBlast.
• SchoolGrants
  Grant opportunities for K-12 schools.
• Bill & Melinda Gates Foundation
  The primary mission is "to dramatically improve education so that all young people have the opportunity to reach their full potential."