Introduction to the SAT II THE SAT II SUBJECT TESTS ARE CREATED and administered by the College Board and the Educational Testing Service (ETS), the two organizations responsible for the dreaded SAT I (which most people call the SAT). The SAT II Subject Tests were created to act as complements to the SAT I. Whereas the SAT I tests your critical thinking skills by asking math and verbal questions, the SAT II Subject Tests examine your knowledge of a particular subject, such as Physics, Writing, U.S. History, or Biology. The SAT I takes three hours; the Subject Tests take only one hour each. In our opinion, the SAT II Subject Tests are better tests than the SAT I because they cover a definitive topic