Stupid data show that Duke University's dominant majors are political science, public policy, history, chemistry, electronic engineering and biomedical engineering. The departments of medicine, law schools and business schools rank in the top 1 1 in the United States, especially in science and engineering. Minimum IELTS score for undergraduate course: 7, TOEFL: 100. Duke ranks around 25, while Cambridge is generally in the top 10. Relatively speaking, Cambridge is better.