All your missed questions are saved
automatically for extra practice.
It's a practice test that's automatically made up of all your missed questions. Once you finish this test, you’ll be able to revisit your Challenge Bank™ to practice and sharpen your skills.
View All PlansAdding difficult questions to Challenge Bank™ is an exclusive Premium feature. Unlock access to 650+ exam-like questions, a Pass Guarantee, personalized study plans, and more.
View All Plans| 90-100 | => | 37% |
| 80-89 | => | 28% |
| 70-79 | => | 22% |
| 60-69 | => | 10% |
| <60% | => | 3% |
If you’re looking to get a School Bus (S) endorsement, you must pass a written knowledge exam that evaluates your understanding of this subject and meet a number of other requirements. Some aspiring school bus drivers find this daunting process more difficult than expected. But with preparation and practice, every challenge can be overcome by those who adopt a systematic approach. We will help you pass the CDL School Bus written test in Illinois so you can fulfill your dream of becoming a school bus driver.
You might already be familiar with the official 2025 CDL manual, but it won’t necessarily help you learn what driving school buses is about. While this manual is an essential piece of the puzzle, it is not enough on its own
Take advantage of every online resource available to you, including our CDL endorsement practice tests. Featuring 20 questions, these tests closely reflect the official exam. Students use them to assess their knowledge and improve their scores over time. You’ll be ready for the actual exam once you consistently achieve passing scores, which is a reliable indicator that you now understand what this subject is about.
M.S., Chief Educational Researcher (ACES member)
Last verified for accuracy on
One of the standout features of our tests is instant feedback, which provides a detailed explanation of each correct answer. It ensures you understand why a particular answer is right, even if you initially chose the wrong one.
To drive yellow (e.g., full-size) school buses, you must also obtain a Passenger Vehicles (P) endorsement. Our free Illinois CDL school bus practice tests cover a wide range of commercial driving topics, including all endorsements.
Illinois is well-known for having one of the most stringent safety programs for school buses. The Illinois Department of Transportation (IDOT) ensures high safety standards through several methods.
Annual inspections are performed for every school bus, and drivers must complete an 8-hour initial classroom training course. Additionally, they must attend annual refresher courses to stay up-to-date with laws and safety practices. The learning process never truly ends, so it is recommended that you continue practicing on our tests periodically to ensure your knowledge stays fresh throughout the year.
Driver’s Ed is - nobody wants to set foot inside the DMV. That’s why millions of learners trust us for simple, visual, effective prep.
We are an officially recognized FMCSA Entry-Level Driver Training provider and a proud partner to over 2,500 libraries. We work with safety organizations like GHSA and the National Safety Council to help create safer roads for everyone.
Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.
Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.
Go beyond the boring black-and-white manual. Our interactive handbook lets you read, listen with an MP3 audio version, or even chat with it to find the information you need, faster.
We build our practice questions from the current 2025 IL Driver Handbook and refine them using patterns recent test‑takers report.
Driver handbook • Knowledge‑test/permit overview • Fees & ID requirements • Office/appointment info
We mirror recurring themes (e.g., right‑of‑way traps, sign look‑alikes) and use similar distractors and wording styles.
We don’t collect or publish actual test items and we’re not affiliated with DMV.
