Illinois high school juniors must take the ACT as a graduation requirement. The issue affected about 11,000 students on April ...

The ACT English Test and the SAT Writing and Language Test assess test-takers in various conventions of standard English, such as punctuation, sentence structure and formation, and usage.

The ACT and SAT are widely accepted by U.S. colleges, which often prompts students to ask: Which test should I take? The answer lies in understanding the differences between the two tests.