Title I, II, III, IV, Perkins, and IDEA.
National Science Teachers Association (NSTA)
Provides a variety of science related grants available through multiple organizations
National Science Foundation (NSF)
Powerful grants search website tool
Search for grants by an alphabetic list, grant types (corporate, federal, foundation, and state), state, or date added. There are also sections titled Grant News, Grant Talk, and Fundraising. You can also find information on grant writers and information on writing grants.
National Council of Teachers of Mathematics (NCTM)
Variety of grants available for solutions and professional development.
Site has grants sorted by state and foundations. They offer a 5-day training for grant funding
Space Grant Consortia
NASA initiative supports the advancement of science and engineering education, research, and public outreach. Funds are available for both curricular and professional development and are provided annually through grants at the state level.