 Most colleges do not indicate a preference for the ACT or SAT and accept both.Some colleges accept the ACT in place of the SAT subject tests, and some accept the optional ACT writing section in place of an SAT Subject Test.Most colleges use ACT scores as only one factor in their admission process, as a supplement to the secondary school record and to help admission officers put local data—such as coursework, grades, and class rank—in a national perspective.