An AP essay would surely be a more robust predictor of freshman grades, particularly as so many colleges and universities grant college credit for high AP Language performance.
While the SAT essay is no longer required, it’s great practice for college itself and can help out on the test itself.
Don’t let common SAT essay mistakes trip you up when you’re filling up the blank page with arguments and evidence.
A major factor for success when writing the SAT Essay is including sufficient evidence to back up your arguments and central thesis.
Without it, graders will see that you have a concept in mind, but you haven’t thought it through enough to be convincing.