Every U.S. college accepts the SAT and the ACT equally, with no preference. That turns the choice into a purely tactical question: on which format do you score higher?
Here’s how they differ, and the cheap experiment that settles it.
How the tests differ
- Pace: the ACT gives noticeably less time per question—strong fast readers tend to like it.
- Content: the ACT includes a science-reasoning section; the SAT folds data analysis into its existing sections.
- Format: the SAT is digital and adaptive with a built-in Desmos calculator for all math; the ACT has been rolling out its own digital option alongside paper.
Run the two-weekend experiment
Take a timed, official practice test of each on consecutive weekends, same time of day. Compare percentiles—not raw scores—since the scales differ.
A clear gap (10+ percentile points) makes the decision for you. A tie means picking on logistics: dates, format preference, what your school offers free.
Then commit to one
Splitting prep across both tests halves your improvement on each. Choose within a couple of weeks and put every practice hour into the winner.