Practice makes perfect!
To learn more about the ACT and how if differs from the SAT, click here.
There are downloadable pdf versions of full ACTs here.
The older tests are reportedly less accurate, so use them mainly for practice and not to predict your score. The newer tests are more accurate indicators of what score you should obtain on the official ACT. Just simply click and download the pdf.
Contact WorldWise Tutoring to have a tutor help you utilize these practice tests to the highest ability.
2015-2016 ACT Practice Test (plus Essay)
April 2015 released ACT (no Answer Key)
2018-2019 ACT Practice Test (plus Essay)