- Updated for January 2025
- Based on 2025 MO commercial driver's license manual
Free MO CDL School Bus Practice Test 2025
Did you know that black ice is more common during early morning hours and just before sunrise? Because temperatures tend to drop overnight, this thin layer of ice often forms on bridges and overpasses. In Missouri, this hazardous weather condition poses a difficult challenge to school bus drivers. School buses are heavier and take longer to stop, which makes skidding on black ice extremely dangerous. Since these buses can carry up to 72 children, even a minor accident could result in significant injury. That’s why all school bus drivers have a specialized skill set and undergo rigorous training to drive these vehicles under dangerous conditions.
To become a school bus driver yourself, you must pass a knowledge test on school bus driving, and a skills exam in a school bus if you didn’t already do so for your CDL. Then you can obtain a School Bus (S) endorsement on your CDL. You must also follow a similar process for a Passenger (P) endorsement. If the school bus you plan to drive has air brakes, you must also have the air brakes restriction lifted from your CDL by passing an Air Brakes knowledge test and a skills test in a vehicle equipped with air brakes if you haven’t already done so before. To help you prepare for the CDL School Bus knowledge test in Missouri, we offer a series of practice tests.
These practice tests are structured similarly to the official written exam, closely reflecting its content and format. There are 20 questions based on the official 2025 CDL manual, covering all aspects of the School Bus endorsement, including safety protocols, loading and unloading procedures and laws regarding school bus operation.
Each question has multiple answer choices, but only one is correct. While the CDL manual is essential for studying the various rules and procedures, these practice tests will give you an idea of how well you’re retaining the material and which areas you might need to improve. As you prepare for the actual written exam, make sure to also understand the other requirements. You must pass a medical exam, undergo a drug test and have your driving and criminal records checked by the local authorities.
Our free Missouri CDL school bus practice tests are updated regularly (most recently for January 2025), ensuring that you are reviewing the most current information available. Remember, the path to becoming a school bus driver in Missouri involves more than just passing exams. It’s about fully mastering this subject and understanding the significant responsibility of safely transporting children to and from school.
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
What to expect on the actual MO DOR exam
questions
correct answers to pass
passing score
Helpful links
List of questions (classic view)
- Which of the following statements about the special dangers of loading and unloading is true?
- After you decide on the best type of evacuation, what must you do next?
- While you're loading students, if you cannot account for a student, what should you do?
- A passive railroad crossing
- During your pre-trip vehicle inspection test, make sure that
- What color are all school buses painted?
- Which of the following statements is true about students who must cross in front of the bus after exiting it?
- You should adjust the outside left and right side flat mirrors so you can see
- Which of the following statements about evacuation procedures is true?
- When unloading students at a school, you should
- Immediately after stopping, you should first
- In addition to spare electrical fuses (if equipped), three reflective triangles, and a working fire extinguisher, emergency equipment for a school bus also includes
- For up to ______ of parents, the school bus driver is the only school official they ever meet.
- Before you proceed through a railroad crossing, make sure that your bus will have enough containment (the space on the opposite side of the crossing) to completely clear the railroad tracks. As a general rule, adequate containment is
- Which of the following will confirm that your bus is equipped with an antilock braking system (ABS)?
- Antilock brakes
- You should adjust the left and right side crossover mirrors so you can see
- The overhead inside rear-view mirror is used to
- You MUST evacuate everyone from your school bus if
- The blind spot behind the school bus may extend up to ________, depending on the length and width of the bus.
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