Cairn

Original practice. Free to start.

Practice tests for the SAT®, PSAT/NMSQT® and ACT®.

The first practice test for each exam is free.

Take full-length, timed practice tests, read an explanation for every answer and track your practice scores. Unlock all 10 practice tests for an exam with a one-time purchase. There’s no subscription.

10 full-length practice tests per exam Explanations for every answer One-time purchases. No subscription.

Original practice questions written for this site, not by College Board or ACT.

What each practice test covers

SAT practice tests

Reading and Writing, and Math, in four timed modules. In each section, your first module sets the difficulty of the second.

Practice score scale: 400–1600

Start a free SAT practice test →

PSAT/NMSQT practice tests

Reading and Writing, and Math, in four timed modules. Each practice test also gives you a practice Selection Index.

Practice score scale: 320–1520

Start a free PSAT/NMSQT practice test →

How it works

1

Take a practice test

Each test is full-length and timed, section by section. Your answers save as you go, and you can highlight text and flag questions to come back to. Math includes a calculator.

You can pause a test and finish it later; pausing is a practice aid.

2

Understand your mistakes

When you finish, you get a practice score and an explanation for every answer. Then go straight to your next test or to short exercise sets on specific skills.

3

Track your progress

Your practice scores are saved after every test, so you can see how they change.

Pricing

Choose practice for the tests you’re preparing for.

See what each purchase includes →

The first practice test for each exam is free. Each friend who joins through your invite and finishes setup gives you one unlock for Practice Test 2. You choose which exam’s practice test it opens. Exercise sets marked Free in the app cost nothing.

Full Practice for the SAT

$29 one-time

All 10 of our SAT practice tests, including the free one, plus the exercise sets shared with PSAT/NMSQT practice.

$24 if you joined through a friend’s invite.

Get Full Practice for the SAT

Full Practice for the PSAT/NMSQT

$19 one-time

All 10 of our PSAT/NMSQT practice tests, including the free one, plus the exercise sets shared with SAT practice.

$14 if you joined through a friend’s invite.

Get Full Practice for the PSAT/NMSQT

Full Practice for the ACT

$29 one-time

All 10 of our ACT practice tests, including the free one, plus the ACT exercise sets.

$24 if you joined through a friend’s invite.

Get Full Practice for the ACT

Full Practice for the SAT and ACT

$45 one-time

All 10 of our SAT and all 10 of our ACT practice tests, including the free ones, plus the SAT and ACT exercise sets.

$40 if you joined through a friend’s invite.

Get Full Practice for the SAT and ACT

Each purchase is Full Practice for one exam; Full Practice for the SAT and ACT covers both. SAT and PSAT/NMSQT practice share exercise sets; each has its own 10 practice tests. Already have Full Practice for the SAT or the ACT? Sign in to see the price for the other one.

Try two sample questions

A Reading and Writing question from our SAT and PSAT/NMSQT practice, and a Math question with the graphing calculator. Each shows its explanation. No sign-in needed.

Central Ideas · SampleQuestion 1 of 10

For years, biologists assumed that a certain frog species avoided urban ponds because of pollution. A recent study found that the frogs tolerated the water itself but were far less likely to breed in ponds surrounded by heavy nighttime lighting.

Which choice best states the main idea of the text?

Pick an answer to see the explanation.

Nonlinear Equations and Systems · SampleQuestion 1 of 10

The graphs of y = x² and y = x + 2 intersect at two points. What is the positive x-coordinate of an intersection?

Pick an answer to see the explanation.

The equations are ready below. Tap the graph or choose Find key points to explore.

One equation per line, up to four. Try y = x^2 or x^2 + y^2 = 9. Use * between factors.

  • 1: y = x^2
  • 2: y = x + 2

Plotted angle mode: radians

Loading graph…

Drag to pan; pinch or use the zoom controls. Tap the graph to find approximate key points in this view.

Table of values

Frequently asked questions

What is free?

Practice Test 1 for the SAT, PSAT/NMSQT and ACT, the exercise sets marked Free, and the vocabulary rounds in SAT and PSAT/NMSQT practice. Each friend who joins through your invite and finishes setup gives you one unlock for Practice Test 2. You choose which exam’s practice test it opens.

How are practice scores calculated?

Your practice score is based on your correct answers, reported on each exam’s score scale. In our SAT and PSAT/NMSQT practice tests, correct answers count for more in the harder second module. The ACT practice composite averages English, Math and Reading; optional Science is scored separately. Practice scores are a study aid, not official scores or predictions of your test-day score.

How do I choose between SAT and ACT?

Take the free first practice test for each. Review your answers and notice which question formats and timing suit you.

Are these official questions?

No. They’re original practice questions written for this site, not by College Board or ACT.

Is it a subscription? Can I get a refund?

There’s no subscription. Each purchase is a one-time payment for Full Practice for one exam, or for Full Practice for the SAT and ACT. No refunds once you start a test or set unlocked by this purchase. Read the refund terms.

How do I sign in?

Use your Google account. There’s no separate password. A school account may require your school’s permission. You can delete your account and practice history from Account.

The first practice test for each exam is free.