WOW! What a great list of ACT test prep resources! Wish I had known about all of these sooner!
McGraw-Hill: Practice Plus Online ACT prep that includes practice tests!
Tips, Practice Test Links, and Study Techniques for how to raise your ACT score.
Semicolons, Colons, and Dashes on the ACT - Kaplan Test Prep
Want to see your students' test scores improve drastically in English? Try these quick weekly grammar quizzes!
ACT vs SAT via benchprep.com
ACT English Test Prep / Grammar, Usage, and Rhetorical--I don't know about the writing...i hope I don't have to do it tho...
ACT Prep: Practice Tests and Flashcards in Math, Science, English, Reading and Writing by Varsity Tutors
The 31 Critical ACT Math Formulas You MUST Know
Need free ACT practice tests and questions? Perfect! These seven sources can help you get ready for this big test for free.