Does SAT Prep Work? What the Research Actually Says

Yes, SAT preparation can help, but the research does not support the idea that simply paying for a course guarantees a huge score increase.

That distinction matters.

The best reading of the evidence is:

Preparation can improve test performance, but average effects tend to be modest and depend heavily on what the student actually does.

What older SAT coaching research found

SAT coaching has been studied for decades.

A 2009 analysis by researchers Ben Domingue and Derek Briggs compared coached and uncoached students who were statistically similar.

Their estimates suggested roughly:

• 11–15 points of benefit on SAT Math
• 6–9 points on SAT Verbal

Only the Math result was statistically significant in that study.

Those numbers came from an older version of the SAT, so they should not be treated as a promise for today's Digital SAT.

They are useful mainly because they show why claims like:

“Our course automatically adds 200 points”

deserve skepticism.

What broader research says

A 2025 meta-analysis in the Review of Educational Research combined 28 experimental and quasi-experimental studies of preparation for large-scale educational tests.

Across those studies, test preparation produced a small positive average effect.

But the studies covered different tests, preparation methods and countries.

That does not mean:

every SAT course works.

It means structured test preparation, as a broad category, can affect test performance.

Free preparation can work too

One important College Board analysis found that students who used 20 hours of the old Official SAT Practice program on Khan Academy had larger average score gains than students who did not.

But this was an association, not proof that 20 hours caused a particular number of points.

Students who study for 20 hours may differ from students who do not.

And that research was conducted on an earlier SAT format.

The useful lesson is not the exact point number.

It is:

consistent, personalized preparation is more plausible as a route to improvement than doing nothing.

For a closer look at how the two paths compare, see paid vs free SAT/ACT prep evidence.

Why preparation can help

SAT preparation can improve several things.

Content knowledge

You may genuinely learn:

• Algebra;
• grammar;
• data analysis;
• inference;
• vocabulary in context.

Test familiarity

The Digital SAT has:

• two adaptive modules per section;
• a specific clock;
• Bluebook tools;
• Desmos;
• particular question styles.

Familiarity reduces wasted mental effort.

Error recognition

If you repeatedly miss the same type of inference question, noticing that pattern is the first step toward fixing it.

Timing

Knowing the content does not guarantee that you can execute it under time pressure.

What research does NOT show

Research does not prove that:

• paid prep is always better than free prep;
• expensive prep is better than inexpensive prep;
• AI automatically improves scores;
• a larger question bank guarantees better results;
• one company can promise the same gain for every student.

For more on weighing your options, browse our SAT prep options guides.

So why pay for SAT prep?

A paid product can be worthwhile when it solves problems that free materials are not solving for you.

For example:

• you do not know what to study next;
• you practice inconsistently;
• you repeat comfortable topics;
• you forget old skills;
• you need better explanations;
• you need progress tracking;
• you procrastinate when you must build your own plan.

In that situation, you are paying for structure and follow-through, not for access to secret SAT knowledge. If you're weighing a tutor against a self-paced platform specifically, the tutoring vs self-paced research guide breaks down what evidence exists for each.

Where MastaPrep fits

MastaPrep is one option for students who want that structure. See how it compares with other options in our best SAT prep 2026 guide.

MastaPrep already uses spaced learning and retrieval practice in its study flow. Previously learned skills can return later for review, and the student has to retrieve and apply the idea again rather than simply reread an explanation.

Its approach also includes:

• identifying weaker skills;
• giving targeted practice;
• increasing difficulty as you improve;
• bringing older skills back later;
• making short study sessions easier to maintain.

Those learning methods have research support. That is different from claiming that research has proven a guaranteed score gain from MastaPrep itself.

Judge any prep product by whether it actually helps you study more effectively—not by a sweeping score promise.

No responsible company can make that claim without direct outcome evidence.

The practical conclusion

If you already:

• use Bluebook;
• review every mistake;
• study consistently;
• know exactly what to work on;

you may not need to pay for SAT prep at all.

If you repeatedly fail to do those things, a well-designed paid system may be worth far more than another unused prep book.

Bottom line

The research supports a reasonable conclusion:

SAT preparation can help, but quality, consistency and fit matter more than whether the prep has a price tag.

Be skeptical of giant guaranteed gains.

Look for a prep system that changes what you actually do each week.

Research and sources

• Hao, Baird, El Masri & Double (2025), The Impact of Test Preparation on Performance of Large-Scale Educational Tests
  https://doi.org/10.3102/00346543251360775
• Domingue & Briggs (2009), Using Linear Regression and Propensity Score Matching to Estimate the Effect of Coaching on the SAT
  https://cepa.stanford.edu/content/using-linear-regression-and-propensity-score-matching-estimate-effect-coaching-sat
• College Board / Khan Academy practice analysis (2017)
  https://newsroom.collegeboard.org/new-data-links-20-hours-personalized-official-sat-practice-khan-academy-115-point-average-score

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Trademark note: SAT® is a registered trademark of College Board. ACT® is a registered trademark of ACT Education Corp. MastaPrep is not affiliated with, endorsed by, or sponsored by either organization.