Here are some more good links for grant writers. 

Publications and Products
This U.S. Department of Education Web site provides a wealth of information for teachers, administrators, policymakers, researchers, parents, and students.

Federal Register Documents Announcements Application Notices Requests for Comment etc.

This site offers up-to-the-minute information on grants provided by federal government agencies, including the Department of Education.

US Dept. of Education Grants Forecast FY 2010
This site forecasts prospective funds allocated by the federal government.

National Science Foundation (NSF) 
Opportunities for mathematics and science grants may be found on this site.

Welcome to Schools and Libraries (E-Rate)
Library systems, school districts and non-public schools can apply for discounts on telecommunications at this site.