More.net offers amazing resources for student use. You must register with you account from your school district. My favorite program is the ACT Prep. You can take mini lessons in English, Math, Reading, or Science. You can also take practice tests!
1. Register your account (remember you must use your school email)
2. For ACT Prep, select the College Prep Center
3. Select Prepare for Your ACT Test
-Launching the Tuturial opens up many options for lesson and test simulation