But the ACT and College Board, which owns the SAT, argue that a combination of grades and test scores is the best overall guide to selecting students who are likely to succeed in college.

The SAT doesn't just test how good you are at math, reading, and writing — it tests how good you are at taking the SAT. Preparing for the math section of the test requires lots of practice and ...

[See: 3 Ways Practice Tests Can Elevate ACT, SAT Prep This Fall. While most high schoolers take ACT or SAT practice tests, fewer students properly interpret the meaning behind their performance.