SAT Subject Tests are hour-long tests, each scored out of 800. Most of the top fifty universities require two or three. Up to three tests may be taken on the same testing day. Business subjects are not offered. Most Trinidadian students take the subject tests once, in Grade 12/ Upper 6 November, when CAPE has already prepared them for most of the material. Alternately, they can be taken at the beginning of January.
Different universities require, recommend, or consider two or three subject tests related to your future field of study. Most of the Ivy League schools require or recommend them. Coming soon: top twenty U.S. colleges and their varying policies regarding subject tests.
Fun fact: Some schools, such as Brown, Rice and Duke do not require SAT Subject Tests if you complete ACT + Writing. However, they are necessary if you took the SAT instead of the ACT.