Here are some sites to help out aspiring college students to do well on their ACT.
ACTStudent.org
How to Prepare for the English Section
How to Prepare for the Math Section
Number2.com
TestPrepPreview.com
Self-improvement Link from TestPreview.com
InLikeMe.com
The Princeton Review — Test prep company offers some free study materials for the PSAT, SAT, Subject Tests and ACT. Click on “Free Practice Tools” section for each test.
Kaplan — Test prep company provides some free SAT and ACT prep materials including access to free “Quiz Bank”, “Practice Tests” and “Practice Questions”
MajorTests.com – Free prep materials for the SAT. Excellent 1000 word vocabulary builder (10 lists for 10 weeks)
PrepMe.com – Test prep company provides some free materials.
Vocabulary University~ Lists 180 SAT/ACT vocabulary words and provides games to help you learn