3 Signs You Should Delay an ACT, SAT Test Date

"From time to time, ACT and SAT test-takers may find themselves facing an unpleasant decision of whether to sit for a scheduled exam or postpone it. This is a choice that must be evaluated thoroughly and carefully.

First and foremost, students and parents should know that rescheduling incurs a fee. The College Board charges a $29.00 “change fee” for moving an SAT test date. Similarly, it costs $30.00 to change an ACT test date. However, the change fee proves to be a small price when delaying results in a score increase." …

https://www.usnews.com/education/blogs/college-admissions-playbook/articles/2019-01-14/3-signs-you-should-delay-an-act-sat-test-date