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DE CDL School Bus Practice Test 2 2025

5 min

Delaware places extraordinary trust in its school bus drivers. As such, the CDL Delaware DMV School Bus “S” Endorsement Knowledge Test is a required step for them before transporting students anywhere in the First State. Also required is the Passenger “P” endorsement. Though this article deals primarily with the School Bus knowledge test, you can find more information about the P endorsement below. The state also requires all school bus drivers to complete a criminal background check and meet Delaware Department of Education medical and training requirements before obtaining the “P” and “S” endorsements. Also, until the driver is fully licensed, Delaware places a restriction on the driver’s Commercial Learner’s Permit (CLP) that prevents carrying passengers in any CMV bus. New drivers may only operate an empty school bus during training sessions (except when under the tutelage of certified instructors).

The official School Bus Knowledge Test emphasizes student safety and includes significant testing on loading and unloading. The space surrounding the bus is where most student injuries occur and must be continuously monitored through mirror use as well as bus positioning at stops. Drivers must have a clear understanding of the procedures for controlled stops, proper securing of the bus at each stop, safe observation of children as they move to and from the vehicle, the use of mirrors, and the prevention of students from entering blind spots. Also, drivers must be aware that students’ clothing and bookbags can easily get caught on handrails when entering or exiting the bus. Drivers are also tested on railroad crossing procedures, handling of emergencies, evacuation decisions, student management, and end-of-route responsibilities (including post-trip inspections and bus walkthroughs).

DE CDL School Bus Practice Test 2 2025
Commercial Driver's License
Based on the official DE CDL HandbookHandbook‑based (2025) + exam‑taker feedback
9 DE students practicing now
13completed today

Accuracy & authorship

Steven Litvintchouk, M.S., Chief Educational Researcher at Driving-Tests.org

Reviewed for legal and handbook accuracy:

Steven Litvintchouk

M.S., Chief Educational Researcher (ACES member)

Last verified for accuracy on

Andrei Zakhareuski, Co-founder & CEO at Driving-Tests.org

Test design and learning experience oversight:

Andrei Zakhareuski

Co-founder & CEO, Driving-Tests.org

How to use this practice test

  1. Start here. One of 4 free Delaware tests. ~5 min. Read explanations as you go.
  2. Cover more ground. All tests have different questions - no repeats.
  3. Finish strong. Try the Exam Simulator for a full-length run.

Why this works

  • Exam-like questions from the current handbook + real test-taker patterns. Explanations cite the manual.
  • AI Assistant explains tricky items in plain language.
  • Performance Insights show your weak topics and what to study next.
  • Challenge Bank™ saves your mistakes for targeted practice.

Actual DMV permit test: What to expect?

The Delaware permit test has 20 questions. You must get 16 correct (80%) to pass.
  • Where: Any Delaware DMV office (find locations)
  • Bring: ID + SSN + residency proof + permit/license fee (see checklist)
  • If you fail: Retake after 10 days.
  • Commonly missed: basic vehicle maintenance and pre-drive checks, railroad crossing procedures.
  • Ready to schedule? Book your DE DMV appointment

About the Delaware CDL

Our Delaware School Bus “S” Endorsement Practice Tests mirror the structure of the official exam. Our experts have reduced unnecessary information, focusing on material that truly matters at the testing station. The practice test materials include an interactive CDL Manual and immediate AI-driven feedback on all responses, ensuring drivers learn as they go. Our revolutionary Challenge Bank repeats missed questions until they are mastered, and the after-practice results page identifies topics for additional study. Once you’ve aced this practice test, try another: https://driving-tests.org/delaware/de-cdl-school-bus-practice-test/.

Once you are comfortable with the School Bus material, you should also review the Passenger Endorsement and Air Brakes knowledge areas. We have practice tests for each of these as well!

More DE CDL test resources School Bus practice test hub

  1. School Bus Test 1
  2. School Bus Test 2 (you are here)

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