Edutopia - Edutopia is a fantastic resource in general, they have links to some grant databases as well as a good webinar on grant writing.
Wishlist-type Grant Opportunities
Adopt-A-Classroom - allows teachers to register and describe their classroom which then appears on a digital database for donors to select. Teachers receive a credit that they can then use to shop online from selected vendors (who then re-donate a portion of their sales).
Digital Wish - allows you to create a wishlist or a fundraiser for your school or classroom. Donors can donate directly to the classroom or put money toward specific items for the classroom.
Donors Choose - teachers put a classroom project idea in a searchable database and donors select a project to support. Once the required funding is reached, DonorsChoose sends you the classroom materials.
Grant Databases
ALEKS Grant Database - they list several grant opportunities (clicking through them), mainly large-scale national grants.
GetEdFunding - a free grants database allowing for a wide variety of search criteria. You do have to sign up for a free account.
National Science Teachers Association - dig through their calendar to find grants with upcoming deadlines - there are lots of possibilities here! You can find many lesser known science grants through this resource.
Pitsco - a STEM supply company provides grants, suggestions for securing grants, and a listing of grant opportunities from other agencies.
David O. Kingston Foundation, Inc. – (208) 522-2365 – awards educational grants on a rolling basis, call for further details.
Dom Foundation – Awards educational grants on a rolling basis, call (312) 863-2142
Emory T. Clark Family Foundation – supports education efforts in WI, (414) 765-5118
Esther M. & Freeman E. Everett Charitable Foundation – awards grants to educational projects in CO and WI, submit inquiry any time to: c/o JPMorgan Chase Bank, N.A. P.O. Box 3038 Milwaukee, WI 53201-3038
Evan and Marion Helfaer Foundation – awards grants in WI, inquiries accepted any time. P.O. Box 147, Elm Grove, WI 53122-0147, (262) 784-9778
Frances & Benjamin Benenson Foundation, Inc., provides educational grants, no deadline or website, submit a letter of inquiry stating the purpose and budget to Bruce W. Benenson, 708 Third Avenue, New York, NY 10017
Gladys and Roland Harriman Foundation – provides educational grants on a national basis, deadlines in Oct and Apr, 212-493-8185
Gordon Henke Family Foundation, Inc. – awards grants to educational projects in Wisconsin, with inquiries accepted anytime, (561) 395-2319