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Free MO DOR Diagnostic Test 2025

  • Perfect for learner’s permit, driver’s license, and Senior Refresher Test
  • Based on official Missouri Driver's manual
  • Triple-checked for accuracy
  • Updated for October 2025

Missouri residents know their barbeque, beer, and gooey butter cake. However, how much you know about the rules of the road will affect your ability to see what lies beyond The Gateway Arch. Don’t be put out! If the only thing you’re missing is a Missouri driver’s license, a little study time and a dose of determination will set you on a course to new discoveries. The first thing you will need to do is develop a plan to achieve your goals.

While you may be familiar with the fundamentals of safe driving, you will need to demonstrate a more advanced level of the subject matter. Missouri requires that you answer 80% of the 25 driver’s license knowledge test questions correctly to get an instruction permit. If you’re going to negotiate the curves on the highway, you’d better prepare yourself for the ones the written knowledge test will throw at you. With multiple-choice questions, the official knowledge test challenges you to carefully analyze the possible answers and carefully choose the correct one. You’ll need a clear understanding of the questions to be successful.

Our free Missouri DOR Diagnostic Driving practice test is based on the most recent Missouri Driver Guide (Missouri DOR Handbook (MO Driver's Manual) 2025) and is up to date as of October 2025. This practice test is expertly designed to prepare users for the difficult questions on the official written knowledge test. Better than a study guide, the practice test provides you with information you can count on to pass your knowledge test on the first try. There are 15 questions on the official knowledge test that most Missourians miss. The practice test includes questions just like the ones commonly missed to guide you around their complexities. If you submit an incorrect answer, you will immediately receive detailed feedback containing the information that would make the answer correct. This approach equips you with a thorough understanding of the information needed to answer correctly, instead of having you merely memorize the correct answer.

You may not be in the other Kansas City, but you will find practice tests covering the entire nation at https://driving-tests.org/academy/drivers-license.

Pass the first time with Premium
MO DOR driver's license
  • Perfect for learner’s permit, driver’s license, and Senior Refresher Test
  • Triple-checked for accuracy

What you need to know

2-3 minutes to complete
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.

What to expect on the actual MO DOR exam

25

questions

20

correct answers to pass

80%

passing score

15 y/o

minimum age to apply

Are you in another state?

We know how Driver's Ed goes

The material is dry. Studying it is tedious. And you don't want to step foot inside the DMV. So you dread it, avoid it, pretend it doesn't exist. Or you go to the DMV and shoot your shot. You walk in. Take a number. Then the number takes your soul.

Noses sneeze. Babies cry. Frustration groans. And when it's finally time to take your test, you're sweating. Thirty minutes later, you're crying. Because despite your best efforts. You failed. Next thing you know, you're chasing a Waymo in circles to get home (embarrassing!).
That ends here.
At Driving Tests, we know emotions can get in the way of doing what you need to do. So we deliver Driver's Ed that makes it easy to start, and even easier to finish. We get you DMV Smart ASAP. Testing you with real, up-to-date questions. Backing up tricky driving situations with easy-to-grasp visuals & engaging practice tests that reaffirm what you know, and test you again on what you don't. So by the time test day comes - you *own* the DMV. Your only worry? Convincing the proctor you didn't cheat ;)
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