United Negro College Fund (UNCF)
Official site: http://www.uncf.org/sections/ForStudents/ForStudents.asp
Final Deadline: Varies, Check Website
You can use their site to search through thousands of scholarships and grants, many of which are administered by the United Negro College Fund. You will have access to both UNCF administered scholarships and scholarships administered by other organizations. You can search alphabetically, geographically and by discipline or major.
Visit the website for more information.