Source:
BBCThe BBC's African Perspective programme is investigating what life is like for some of an estimated 20 million Africans who live in the diaspora.
On the eve of an election that may see a president with Kenyan roots in the White House, Miriam Quansah meets some African students in the United States to find out what drives them.
It is said that Africans studying in the US tend to be highly motivated, with educated parents and do extremely well.
Dr Camille Charles of the University of Pennsylvania studied the experiences of immigrant students in the US by examining students at 28 selective colleges and universities, including several "Ivy League" institutions like Princeton, Yale, University of Pennsylvania.
She explains: "We found that roughly half of the black student population are immigrants or second-generation immigrants; and a good percentage being from the continent of Africa, mainly from Ghana and Nigeria.
"This group is about 6% of the US's total black population. But of this group, roughly half of them end up in the most selective colleges and universities, so they are really successful in this regard."
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http://news.bbc.co.uk/2/hi/africa/7705747.stm