Washington State Knowledge Test   What Score Do You Need to Pass in 2026?

Quick Answer   –WA Knowledge Test 2026

• 40 questions   –computer-based, self-paced
• 32 correct answers (80%) required to pass   up to 8 questions can be missed
• First attempt fee: $30–$35 | Retake fee: $15–$20
• No retake limit and no mandatory waiting period between attempts
• Passed score valid for 2 years   permit or road test must be completed within that window
• Appointment required   book via DOL License Express before arriving
• Source: dol.wa.gov | Updated: June 2026

The Washington state knowledge test has 40 questions, and you need 32 correct   exactly 80%   to earn your learner’s permit. Updated June 2026.

Most applicants focus only on the pass score and miss the details that change outcomes: what the four topic areas actually weigh, what the real retake rules are, and what documents are required before you arrive.

In this guide, you’ll find:

• The exact pass score and question breakdown by topic and percentage
• Verified retake rules, fees, and the instant feedback system after a failed attempt
• Step-by-step preparation and the full document checklist

How Many Questions Are on the Washington State Knowledge Test?

The Washington state knowledge test contains exactly 40 questions. Both teen and adult applicants take the same exam   question count, pass score, and topic areas are identical regardless of age.

The test is fully computer-based, administered via Washington’s Automated Testing System (ATS) using touchscreen kiosks or tablets at DOL offices and certified third-party testing centers. Paper versions exist only as an ADA accommodation for applicants with documented disabilities or language needs not covered by the digital system.

There is no official time limit. The test is self-paced   most applicants finish in 20 to 30 minutes. Some third-party testing centers impose a 45-minute session window for scheduling, but the state itself sets no clock.

What Score Do You Need to Pass the Washington Knowledge Test?

You need 32 out of 40 correct answers to pass   a score of exactly 80%. You can miss up to 8 questions and still receive a passing result.

A note on the 85% figure: Several unofficial sources and older study guides state the passing requirement as 85% or 34 correct answers. This is factually wrong. The Washington State Department of Licensing confirms 32 correct (80%) as the legal minimum. Verify current requirements at dol.wa.gov before your test date.

What Topics Does the Washington Knowledge Test Cover?

The 40 questions are drawn dynamically from the full Washington State Driver Guide across four weighted topic areas. Knowing the weight of each section is the most efficient way to allocate your study time.

Rules of the Road dominates the test at nearly half of all questions   covering right-of-way, speed limits, turning, lane changes, and intersection rules. Safe Driving Practices covers following distance, seatbelt laws, distracted driving, and emergency handling.

Road Signs and Signals accounts for only about 6 questions, but wrong answers here are common because applicants underestimate the precision required on sign shapes and colors.

DUI Laws and Substance Penalties is the section that surprises most first-time applicants. Washington heavily weights implied consent laws, legal blood-alcohol and THC limits, and minor-in-possession penalties. At 15% of the test, it carries equal weight to road signs   yet most applicants spend almost no time studying it. Every answer comes directly from the driver guide chapter on alcohol and drugs.

What Happens If You Fail the Washington State Knowledge Test?

If you answer 31 or fewer questions correctly, you fail and will not receive your permit that day. Here is exactly what happens next.

No mandatory waiting period. Washington State does not impose a statewide cooling-off period between knowledge test attempts. You can retake the test the next business day   or even the same day if a slot is available. Retake timing is governed by the individual testing center’s schedule, not by the state.

Retake fees. The DOL permits certified third-party centers to set their own fees. A first attempt typically costs $30 to $35. Retakes are usually discounted to $15 to $20 per attempt. When testing directly at a DOL office hub, testing fees are separate from the $25 state permit issuance fee.

No retake limit. Washington does not cap how many times you can sit the knowledge test. You can retake it as many times as needed until you pass. Once you do pass, your score is valid for exactly 2 years. You must obtain your instruction permit or complete your road test within that window   or the knowledge test must be retaken from scratch.

Instant feedback. The ATS system displays your exact score immediately on screen   for example, 29/40   and identifies the specific topic categories where you lost points, such as “Alcohol Laws” or “Signs.” This gives you a direct chapter-by-chapter study map for your retake.

How to Pass the Washington Knowledge Test First Try — Step by Step

Step 1: Pre-register at DOL License Express and obtain your WDL number. Register online at the DOL License Express portal before arriving at any testing location. You cannot sit for the test without a Washington Driver License (WDL) registration number. This step must be completed in advance.

Step 2: Gather your documents. Bring a valid photo ID (passport, state ID, or school photo ID), your Social Security Number, and two documents proving a Washington State physical address   utility bills, bank statements, or a rental agreement all qualify. Applicants under 18 must also bring a signed Parental Authorization Affidavit.

Step 3: Read the full Washington State Driver Guide   prioritize Rules of the Road and DUI Laws. These two sections together make up 60% of the test. Most applicants over-prepare on road signs (only ~15%) and seriously under-prepare on DUI and substance law, which carries the same weight. The driver guide is free at dol.wa.gov.

Step 4: Take multiple full 40-question practice tests scoring 90% or above before booking. Aim for consistent 90% scores   not the bare 80% pass mark   to protect yourself against the random question draw on test day. Reaching 90% consistently means your weakest topic areas are already above the pass threshold.

Step 5: Book your appointment and arrive prepared. Appointments are required at all Washington DOL offices and certified testing centers. Walk-ins at DOL offices face significant wait times or may be turned away entirely   this is not a reliable option for knowledge testing. Book in advance at dol.wa.gov or directly through your chosen testing center.

Common Mistakes That Cause People to Fail the WA Knowledge Test

Under-preparing on DUI and substance law. At 15% of the test, this section is equal in weight to road signs but receives a fraction of the study time. Washington’s implied consent laws and legal THC limits are specific, tested precisely, and directly stated in the driver guide.

Guessing on road sign shapes and colors. Sign recognition requires exact knowledge, not approximation. A yellow diamond means warning; a red circle with a diagonal bar means prohibition. Imprecise answers cost multiple questions.

Confusing right-of-way at uncontrolled intersections. The rule is clear   yield to the vehicle on your right   but question phrasing variations cause applicants to second-guess. Study the specific language in the driver guide, not just the general concept.

Skipping the driver guide and relying only on practice tests. Practice tests cannot cover every question in the DOL bank. The driver guide is the only complete and guaranteed source.

Where Can You Take the Washington State Knowledge Test?

The knowledge test is taken in person   at a Washington State DOL office or at a certified third-party driving school authorized to administer the exam. There is no online version of the official test.

DOL offices are located statewide, including in Seattle, Spokane, Vancouver, Tacoma, Bellevue, and Everett. A full list with addresses and current hours is at dol.wa.gov. The test is available in four languages: English, Spanish, Hindi, and Vietnamese   notify your testing center of your preferred language when booking.

Appointments are required. Book through the DOL License Express portal or your chosen certified center directly. Walk-in testing for the knowledge exam is not reliably available and carries a real risk of being turned away.

Frequently Asked Questions

What is the passing score for the Washington state knowledge test? 

The passing score is 80%. You need to answer 32 of the 40 questions correctly and can miss up to 8. A score of 31 correct or fewer is a failing result. The 85% figure appearing on some unofficial sites is factually incorrect   the Washington DOL confirms 32 correct answers as the legal minimum, verified at dol.wa.gov.

How many times can you retake the Washington knowledge test?

 Washington State does not limit retake attempts. You can sit the knowledge test as many times as needed. Retakes typically cost $15 to $20, compared to $30 to $35 for a first attempt. Once you pass, the score is valid for 2 years   you must obtain your permit or complete the road test within that window or the knowledge test must be retaken.

What happens immediately after you fail the Washington knowledge test? 

The computer displays your exact score and the specific topic categories where you lost points   for example, “Alcohol Laws” or “Traffic Signs”   immediately on screen. There is no mandatory waiting period before retaking. Most centers allow a retake the next business day or sooner, subject to available appointments.

What documents do you need for the Washington knowledge test?

 You need a WDL number from the DOL License Express portal, a valid photo ID, your Social Security Number, and two documents proving Washington State residency. Applicants under 18 must also bring a signed Parental Authorization Affidavit. Pre-registration at the DOL portal must be completed before arriving at the testing center.

Is there a time limit on the Washington state knowledge test?

 The state sets no official time limit   the test is fully self-paced. Most applicants complete the 40 questions in 20 to 30 minutes. Some third-party testing centers apply a 45-minute session window for internal scheduling. Confirm the policy with your specific testing location when booking.

What topics does the Washington knowledge test cover most heavily?

 Rules of the Road and Traffic Laws make up approximately 45% of the test   about 18 of the 40 questions. Safe Driving Practices accounts for roughly 25% (10 questions). Road Signs, Signals, and Pavement Markings cover around 15% (6 questions), and DUI Laws and Substance Penalties make up the remaining 15% (6 questions).

Your next step:

register at the DOL License Express portal, read the Washington State Driver Guide with focused attention on Rules of the Road and DUI Laws, and take full 40-question practice tests before booking your appointment.

When you are ready for behind-the-wheel training, see our guide to driver training schools in Washington, or start with a drivers ed online course in Washington state to complete classroom requirements first.

For the complete picture from permit to road test, visit the Washington state drivers test guide.

Official source: dol.wa.gov | Updated: June 2026

Related: Washington driving schools · Driver training schools in Washington · Drivers ed online course in Washington state