It is extremely important that you begin your research as early as possible since you will be competing with hundreds of candidates This process requires time to filling out plenty of paperwork, time to write essays and finally time to gather letters of recommendations.
Also, the earlier you learn about the requirements of a particular scholarship, the more time you will have to evaluate what you need, make adjustments and considerations to qualify as a candidate for the scholarship.
These online sites below are just a few options but there are also scholarship directories such as, fast web.com and scholarships.com where you can find even more information. A good directory for mothers is Single-mothers.
Scholarships for International Students
Walton Scholarship (U.S)