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Free tool · Grades 9 to 11

SAT or ACT: which fits?

Nearly every college accepts either test. Seven questions about pace, reading, math and format show which one to try first, and what to do next.

Before you start

Nearly every U.S. college accepts either test equally. The tests differ in pace, format and style, and some students do better on one. Answer seven questions about your student to see which to try first.

How the tests differ

SATACT
FormatDigital, on a laptop or tablet; adapts to the student's answersOn paper or online, depending on the test center; does not adapt
LengthAbout two hoursAbout two hours; the science section is optional and adds time
PaceMore time per questionFaster
ReadingShort passages, one question eachLonger passages, several questions each
MathHeavier on algebra and dataWider range, including more geometry and trigonometry

General differences. Both tests change from time to time; check the current details on the official College Board and ACT websites.

A starting point, not a score predictor. The best way to choose is a free, full official practice test of each, taken under timed conditions.
Practice next

SAT or ACT plan

See all readiness checks

Practice next

SAT or ACT plan

See all readiness checks

Want help with this part? Your Caveat advisor builds the testing plan with your family: which test, which dates, how to prepare and where scores help on the college list.

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This tool is general information, not legal, tax or financial advice. Each college decides admission, aid and how credit counts, and requirements change; check each college's own pages. Examples are examples, not promises. Caveat Academic Services is an independent college preparation company. Students do all of their own work.