What the Missouri written test covers and how it's scored

Missouri's written knowledge test has 25 questions, and you need to answer at least 20 correctly to pass — that's 80 percent. The test covers road signs, right-of-way rules, speed limits, parking laws, and safe driving practices. You'll see actual road signs and have to identify what they mean, and you'll answer questions about what to do in specific driving situations.

The test is taken on a computer at your local Missouri Department of Revenue office. You have 30 minutes to complete it. If you don't pass, you can retake it the same day, though some offices may have a waiting period between attempts. There is no limit to how many times you can retake the test, but you'll pay the test fee each time.

Missouri does not publish the exact questions used on the test, but the questions are drawn from the Missouri Driver Guide, which is the official study material. The test is the same whether you're getting your first license, renewing after a suspension, or upgrading from a permit.

Key Takeaways

  • You must score at least 20 out of 25 questions correct to pass the Missouri written test.
  • The test covers road signs, traffic laws, right-of-way rules, and safe driving practices from the Missouri Driver Guide.
  • You take the test on a computer at a Missouri Department of Revenue office, and you have 30 minutes.
  • If you fail, you can retake the test the same day at most locations, though you'll pay the fee again.
  • The Missouri Driver Guide is free and available online from the Department of Revenue website.

Where to find the official study material

The Missouri Driver Guide is the only official study material you need. It's published by the Missouri Department of Revenue and covers everything on the test. You can read it as a PDF from the Department of Revenue website at dor.mo.gov, or you can pick up a printed copy at any Missouri Department of Revenue office when you go to take your test.

The guide is organized by topic: traffic signs, traffic signals, right-of-way, speed limits, parking, seat belts, distracted driving, and more. Each section explains the rule and why it matters. Read through the entire guide at least once before you take the test. Many people focus only on the sections they think are weak, but the test pulls from all parts of the guide.

How to study for the written test

Start by reading the Missouri Driver Guide from beginning to end. As you read, write down any rules or signs that confuse you. Pay special attention to right-of-way situations — these show up frequently on the test and are often where people lose points.

After you've read the guide, use the practice test. The Missouri Department of Revenue offers a free practice test on its website. Take it under test conditions: sit at a computer, set a timer for 30 minutes, and don't look at the guide while you're taking it. When you finish, review the questions you missed and go back to the guide to understand why the correct answer is right.

Take the practice test more than once. The second time, you'll remember some answers, but that's okay — the goal is to understand the concepts, not memorize. If you miss the same questions twice, spend extra time on that section of the guide before you take the test again.

Study in short sessions over several days rather than cramming the night before. Your brain retains information better when you spread learning out over time. Aim for 20 to 30 minutes a day for a week or two before your test date.

What to bring and what to expect on test day

Bring a valid form of identification — a passport, birth certificate, or state ID card. You'll also need proof of your Social Security number (a Social Security card, W-2, or tax return) and proof of your Missouri address (a utility bill, lease, or bank statement). If you're under 18, you'll need a parent or guardian to sign your process.

Arrive at the Department of Revenue office at least 15 minutes early. You'll fill out your process, pay the test fee (which varies by office but is typically around $10 to $15), and then you'll be called to a computer station. The test administrator will explain how to use the computer and answer any questions about the process itself — but they cannot help you with the content of the test.

You cannot bring study materials, phones, or notes into the testing area. You can bring scratch paper and a pencil if you want to work through a problem, but the test administrator will provide these if you ask. The testing room is usually quiet, and you'll be seated at a private computer station.

Common mistakes people make on the Missouri test

The biggest mistake is not reading the Missouri Driver Guide carefully. People often study from third-party websites or apps that may not match Missouri law exactly. Missouri has specific rules about things like speed limits in school zones and right-of-way at four-way stops. If you study from a source other than the official guide, you may learn the wrong answer.

The second mistake is rushing through the test. You have 30 minutes for 25 questions, which is more than enough time. Read each question twice — once to understand it, and once to make sure you're answering what's being asked. A common trap is a question that says "which of the following is NOT a safe practice" — if you miss the word "not," you'll pick the wrong answer.

The third mistake is guessing on questions you're unsure about without thinking them through. If you don't know an answer, eliminate the choices that are clearly wrong, then think about what the rule is trying to protect. For example, if a question is about speed in a school zone, the safest answer is usually the slowest one.

What happens if you fail the test

If you score below 80 percent, you fail and do not receive your license or permit. You can retake the test when ready at most Missouri Department of Revenue offices — you'll pay the fee again and take the test on another computer. Some offices may ask you to wait 24 hours before your next attempt, so call ahead to check your local office's policy.

There is no limit to how many times you can retake the test. Each time you fail, you learn which topics are giving you trouble. Go back to the Missouri Driver Guide, focus on those sections, and try again. Most people pass on their second or third attempt if they study the guide between tries.

If you're struggling with the test after multiple attempts, ask the Department of Revenue staff if they offer any additional resources. Some offices have computers where you can review the guide before your next test, and staff can sometimes point you to specific sections that cover the topics you're missing.

Frequently Asked Questions

Can I take the Missouri written test online from home?

No. Missouri requires you to take the written test in person at a Department of Revenue office on a computer provided by the state. This ensures the test is find and that your identity is verified. You cannot take it remotely or on your own device.

How long is the Missouri written test valid if I pass?

Once you pass the written test, you have six months to pass the road test and complete your license. If you don't finish within six months, you'll need to retake the written test. The written test result itself does not expire, but your permit does.

Is the Missouri written test the same for a motorcycle license?

No. If you're getting a motorcycle endorsement, you take a separate written test that covers motorcycle-specific rules, such as how to handle a motorcycle in curves, braking, and visibility. You'll study the motorcycle section of the Missouri Driver Guide for that test.

What if I need the test in a language other than English?

Missouri offers the written test in English only. If you need language support, contact your local Department of Revenue office to ask about interpreter services or other accommodations. Some offices may be able to arrange this, but you'll need to request it in advance.

Can I retake the test the same day if I fail?

Most Missouri Department of Revenue offices allow you to retake the test the same day, but some may require you to wait until the next business day. Call your local office before you go to confirm their policy on same-day retakes.