How many Nigerian`s have access to the internet, or a computer? Is there any way you can offer your services as an "extention" of an accredited school? Is it possible to "offer" a computer to those who sign-on, as a part of a "parnership` between your company and local "participating" banking institution(s).
Try setting up an "affiliate program" with local investors/banks. It`s not uncommon to finance one`s education.