Free Iowa CDL School Bus Practice Test 2023

Do you want to become a bus driver? You are looking for good source material for your coming CDL test? You are in the right place. Our Iowa CDL Practice Test is a great resource for beginners. The test is designed for you to have exactly the experience of the exam as you will be more familiar with both the test format and the subject. Each question is based on the official Iowa CDL Manual so you can be sure that the information in our test is accurate and relevant to your examination. In addition, each question has a detailed explanation so that it is very useful for you to learn from your mistakes. Preparing well before test day with questions and content that we cover. Start with our Free Iowa CDL School Bus Practice Test today and pass your CDL endorsement exam!

Our CDL practice tests:
Based on 2021 IA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
IA CDL School Bus Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
When preparing to leave the school after unloading, start the engine, release the parking brake, and:
What mirror is used to monitor passenger activity inside the bus?
As the bus driver it is important that you concentrate while you are driving and while the students are loading and unloading the bus. If there is a behavior problem that distracts you from these tasks what should you do?
The interlock applies the brakes and holds the throttle in idle position. The interlock releases the brakes when ______.
More than actually riding on the bus, what is a greater danger to students:
When stopped at a railroad crossing, you should always:
When faced with a railroad crossing that has a signal or stop sign on the opposite side:
In an emergency braking situation in a vehicle with ABS you should not:
What does ABS stand for?
What should you do when you need to back up your vehicle but you do not have a look out?
When approaching the stop, all of the following apply except:
It's important that the battery box of your vehicle does not _____.
You need to make sure the electrical lines of your tractor/coupling are not ______.
Secure the bus by _______.
Your mirrors and windshields should be devoid of _____.
When approaching a bus stop, you should:
Which of the following are buses never to carry?
During a pre-trip inspection of your vehicle, you can check if your vehicle is leaking by inspecting for _______.
If the gate comes down after you have started to cross the railroad crossing you should:
The outside crossover mirrors are used to see the left and right danger zones, and also the: