There are a myriad of sources to help you prepare for the ACT, but just keep in mind you should prepare!

Here is the practice test from 2019-2020. It is the full exam, with the key attached at the end. This is the best one to take since it is the newest one!

Official ACT Practice 2019-20.pdf

If you want to take additional released tests I have also uploaded two earlier ones: 

Official ACT Practice 2015-16.pdf

Official ACT Practice 2014-15.pdf

The state has full practice tests available online as well. Go to : https://onlinelibrary.uen.org   The Login Name: online  and the Password: school

Click on LearningExpress Library then College Admissions Test Preparation and finally click Prepare for Your ACT Test

You do need to create an account to access the tutorials and help. (Make sure to remember your login.) The tutorials can help if you are struggling on one particular test. There are test-taking tips for that test, practice questions for that area, and you can review the required formulas, etc.

English- What To Expect on the ACT English Test.pdf

Short quizzes, but GREAT explanations-

https://www.act.org/content/act/en/products-and-services/the-act/test-preparation/english-practice-test-questions.html?page=0&chapter=0

OR

https://www.khanacademy.org/humanities/grammar/punctuation-the-colon-semicolon-and-more/introduction-to-semicolons/e/introduction-to-semicolons 

Decent quizzes- just scroll to the bottom and use the free interactive quizzes-

https://www.grammarbook.com/interactive_quizzes_exercises.asp

Several passages to practice with-

https://www.highschooltestprep.com/act/english/

Math- What To Expect on the ACT Math Test.pdf [What formulas to know!]

Short quizzes, but GREAT explanations- 

https://www.act.org/content/act/en/products-and-services/the-act/test-preparation/math-practice-test-questions.html?page=0&chapter=0

Several tests at different levels to practice-

https://www.highschooltestprep.com/act/math/

Reading- What To Expect on the ACT Reading Test.pdf This test is all about timing- READ FAST!

Short quizzes, but GREAT explanations-  

https://www.act.org/content/act/en/products-and-services/the-act/test-preparation/reading-practice-test-questions.html?page=0&chapter=0

Several passages to practice with-

https://www.highschooltestprep.com/act/reading/ 

Science- What To Expect on the ACT Science Test.pdf

GREAT explanations- 

https://www.act.org/content/act/en/products-and-services/the-act/test-preparation/science-practice-test-questions.html?page=0&chapter=0

Several passages to practice with-

https://www.highschooltestprep.com/act/science/

Here are the keys for the tests we took after school, the 2019 practice test: