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Washington knowledge test

The Washington knowledge test, and how to pass it

The Washington knowledge test is 40 multiple-choice questions. You need 32 correct, which is 80 percent, and it costs $25 per attempt. It covers signs, signals, right of way, and safe-driving rules from the state driver guide. Here is how to walk in ready.

Updated June 5, 2026 · 2 min read · Reviewed by the WMST examiner team

What is actually on it

The questions come straight from the Washington Driver Guide. Expect a heavy dose of right-of-way calls, sign and signal recognition, speed and following rules, and what to do in specific situations like four-way stops, school zones, and merging. None of it is trick questions. It is the stuff you use every drive.

The scoring, plainly

40 questions, 32 to pass. Miss nine and you do not pass that attempt. You can retake it, and the $25 fee covers up to three attempts in some testing setups, so ask where you test. The smart move is to over-prepare so you pass once and move on.

A study plan that works

Reading the guide cover to cover is fine, but it is not how most people pass comfortably. This works better:

  • Read the signs and right-of-way chapters twice. Those are the biggest chunk of the test.
  • Take practice tests until you score in the 90s consistently, not just once.
  • Write down every question you miss and re-read that exact rule. Your misses are your study guide.

In our classroom, the knowledge test stops being scary because we drill the decision-making behind the rules, not just the wording. That is the difference between memorizing and knowing.

Where to take it

You take the knowledge test in person at an approved testing location. WMST is a DOL-approved examiner, and we run walk-in knowledge testing at our Everett Express office. See how walk-in testing works or the license testing page.

Common questions

How many questions are on the Washington knowledge test?

Forty. You need to answer at least 32 correctly, which is 80 percent, to pass.

How much does the knowledge test cost?

It is $25 per attempt. Confirm the current fee and the retake policy with the testing location, since some cover multiple attempts in one fee.

Can I take it online?

No. The official knowledge test is taken in person at an approved location. Online quizzes are for practice only.

What should I study?

The Washington Driver Guide, with extra focus on signs and right of way, plus practice tests until you are consistently scoring in the 90s.

Ready to get started?

Register for drivers ed or lessons with WMST, or call and we will walk you through it.

Ready to begin?

Pick your starting line.

Whether you're chasing a first license or a motorcycle endorsement, the next step starts here. One register page, every program.

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The WMST team