It doesn't work that way. Students in South Los Angeles, for instance, need a different curriculum than students in wealthy Cambridge. Students at the former still struggle with English, while the latter are scions of Harvard and MIT.
Well, that's an easy bet to settle. 97 percent of Finns have either Finnish, Swedish, Russian or Estonian as native language and only 0.26 percent of Finns are native English speakers.
http://en.wikipedia.org/wiki/Languages_of_Finland
