ACT Online: This link will take you to the ACT website.
ACT Profile: (free) Struggling to define your future career path? Not sure what life after high school looks like? Check out ACT Profile, a free online tool helping students answer that all-famous question: “What do I want to do?”
ACT Prep: (fee based) ACT Online prep for the ACT test is a great way to prepare for the ACT – especially since ACT Online Prep is built by the test makers themselves. The practice questions and tests are taken from previous ACT tests. You’ll get used to the format of the ACT so there are no surprises on test day.
Sample Questions: Clicking the link on the left will take you to sample questions to help familiarize yourself with the ACT test. Five sets of questions are available for English and mathematics; four sets are available for reading; and seven are available for science.
Number2.com: (free) Number2.com offers students access to comprehensive online test preparation courses for the SAT, ACT, and GRE. How do they do it for free? Number2.com earns revenue from sponsorships and licensing.
Union Test Prep: (free) They are a small team of highly skilled, passionate professionals distributed throughout the world working together with the single focus of changing the current state of test preparation. Their website is dedicated to bringing you practice tests, flashcards and study guides to help you prepare for and pass the ACT for free.
ACT Algebra Practice.com: (free) An online course teaching students how to breakdown, analyze and solve ACT algebra word problems they may see on the exam. Once at ACT Algebra Practice.com go to "School Course" and use "free" as the password.