State-Specific for Iowa:
Iowa Financial Know-How Challenge http://bit.ly/1GkStRW
Southeastern Community College Foundation https://www.southeast.edu/Scholarships/
Iowa College Access Network (ICAN) http://www.icansucceed.org/index.cfm?nodeID=62999&audienceID=1
Iowa College Foundation http://www.iowacollegefoundation.org/affordability
Community Foundation of Northeast Iowa https://www.cfneia.org/scholarships/index
Broader Searches:
Niche http://colleges.niche.com/scholarships/
College Xpress http://www.collegexpress.com/scholarships/search
FastWeb http://scholarships.fastweb.com/y-high-school-seniors
Sallie Mae http://go.salliemae.com/scholarship/default.aspx
Scholarships.com https://www.scholarships.com/scholarship-search.aspx
Scholarship America, Dollars for Scholars https://public.dollarsforscholars.org/index.php?action=userLogin
CareerOneStop http://www.careerinfonet.org/scholarshipsearch/ScholarshipCategory.asp?
Peterson’s http://www.petersons.com/college-search/scholarship-search.aspx
CollegeData https://www.collegedata.com/cs/search/scholar/scholar_search_tmpl.jhtml