Most students are unaware of the fact that the ACT—as well as the SAT—is curved. And yet, this vital information has a direct effect on your ultimate score.
The test with the best curve is the Dec ACT; the test with the second best curve is the June ACT. Conversely, the test with the worst curve is the Feb ACT; the test with the second worst curve is the Oct ACT. This means if two students take the test, one in Dec and the other in Feb, and they get the same number of questions correct on the English, or the Math, or the Reading, or the Science Test, the student who took the ACT in Dec or June will receive a higher score on each of these individual tests than the student who took the test in Feb or Oct.
PSA 