Many universities have changed the standardized test requirements for future applicants, due to the Covid-19 outbreak. No more SAT or ACT tests?
Ivy league universities have also changed the admissions test requirements. For example Columbia does not require SAT or ACT, or is optional. Harvard does require a SAT or ACT test score.
Each University has different test requirements with some requiring SAT or ACT test scores. Check the requirements for the university you want to apply for.