English, mathematics, reading, and science are the four main subjects on the ACT. Writing is an optional subject students can select when they register to take the test. The subjects were determined as a way to test the sum total of knowledge and comprehension that the students have accumulated up until the start of their senior year of high school. ACT prep breaks down each subject of the ACT test so the student understands what type of questions they will encounter and to provide them with strategies for answering questions. Doing well on the ACT is not only about academic smarts. Learning the nuances of taking a standardized test can greatly improve a student’s test scores. On the ACT, each of the four subjects is broken into subsections to test the students’ understanding in that area. The official ACT website provides free online ACT prep tools for each section, including English, Math, Reading, Science, and Writing.