What is taught in schools around the world reflects local cultures?

Often but not always. Sociologists have become increasingly concerned that national culture is being pushed aside in favour of the culture of Western Powers. This is an effect often cited as cultural imperialism.

United states v.  nixon, 418  u.s.  683 (1974),  was  a landmark  united states supreme court case  that resulted in a unanimous  decision  against president richard  nixon, ordering him to deliver tape recordings  and  other subpoenaed materials to a  federal  district  court.