Scholastic Aptitude Test
The Scholastic Aptitude Test is still one of the more important assessments that high school students will take in order to get into college or university. For more information: https://www.collegeboard.org/ There are dozens of different SAT preparation materials and courses, and students are encouraged to research them and study on their own.
From the College Board: SAT Subject Tests are college admission exams on specific subjects. These are the only national admission tests where you choose the tests that best showcase your strengths and interests. To learn about the various subjects tested, click here: https://collegereadiness.collegeboard.org/sat-subject-tests/subjects