Generally speaking, Taiwanese children do not achieve higher exam results than local students, who tend to be extremely hard working. If they don't want to go to a relatively uncompetitive high school for children of Taiwanese businesspeople in Shanghai, they have to return to Taiwan to go to school there.
一般而言，台商子弟考不過拚勁十足的本地生，若不願意念「競爭力較低」的台商高中，就只得回台灣念書。