Students are responsible for registering themselves for official ACT and SAT tests. Here is the Schedule for the 2022-23 school year.
The COVID Pandemic has resulted in many colleges changing their testing requirements. Check out this page to find out which schools will not require a standardized test as part of the admission application: http://fairtest.org/university/optional
For the Class of 2023 and beyond, you can find out the testing policy for each college by looking at their admissions requirements from their website.
For example, this is what the University of Oregon has on their website: https://admissions.uoregon.edu/freshmen/requirements?_ga=2.235905735.732844229.1639000714-2109269753.1619809522