ACT sample questions can be found at Actstudent.org/testprep. The site posts a new ACT sample question each day. Additional questions and a practice ACT test can be found at Powerscore.com/sat/help/content_practice_tests.cfm.
There is a wide range of ACT study materials available for free online. Actstudent.org has a plethora of testing resources including study tips, test-day tips and a test-day check list. The site also features a detailed breakdown of the types of questions asked on each of the five subtests, as well as general test-taking strategies. In addition to resources publicly available online, students can speak to their high school counselors for more testing information.