SAT subject tests are not required at the majority of colleges and universities in the United States. However, many of the country’s best colleges — the Ivy League, for example — do require two or more SAT subject tests. This list presents dozens of colleges that require the SAT subject test. Many other schools recommend the SAT subject tests, and strong scores will certainly strengthen an application.
The list of colleges and universities requiring the SAT subject tests is constantly changing, so be sure to check with the schools to which you are applying. Also, many colleges will allow an applicant to substitute AP scores or ACT scores for SAT subject test scores.