Teaching Tips has a great list of 101 Scholarships Just for Teachers. This is an excellent resource as it offers scholarships for any student, separated by region, ethnicity, science and math teaching students, other subject teaching students, fellowships and graduate level scholarships, college-specific scholarships, language and foreign study scholarships, as well as scholarships for current teachers. There is also a list of general scholarships, which pretty much any teaching student should be able to apply for!
The National Board for Professional Teaching Standards offers a National Board Scholarship Program which provides links and information about GlaxoSmithKline Endowed Scholarship Fund, State Farm®Companies Foundation, Edward B. Rust Jr. Scholarship Fund, The UPS Foundation, Boeing, Southwestern Pennsylvania, Judy Wolpe Endowed Scholarship Fund, National Board Scholarship Fund, Northrop Grumman, GlaxoSmithKline, Georgia-Pacific, The Pittsburgh Initiative II,Pfizer, Chase, American Association of Teachers of French, Stuart Foundation, CITGO, Weyerhaeuser Company Foundation, Governor Hunt Scholarship Fund, Friends of Philly Scholarship Fund, Friends of Florida, Friends of Alaska, The Roy E. Barnes Scholarship Fund, The Rebecca A. Palacios Scholarship Fund, and Friends of South Carolina. All of these organizations offer great scholarships for aspiring secondary school teachers, making this website a great resource.