CDL School Bus Endorsement Practice Test 2026

The school bus (S) endorsement covers the extra skills needed to carry students safely. These questions cover danger zones, mirror adjustment, loading and unloading, evacuation, railroad crossings and student management.

  • Pojazdy ciężarowe
  • Stany Zjednoczone
  • Pytania: 60
  • Sprawdzono 10 października 2026

W skrócie

Oficjalny egzamin ma 20 pytań. Aby zdać: Varies by state; usually 20 questions, with 16 correct needed (80%). Egzamin przeprowadza: Your state driver licensing agency, under federal rules set by FMCSA (49 CFR Part 383). Ćwicz tu za darmo na 60 pytaniach, każde z odpowiedzią i wyjaśnieniem. Sprawdzono z oficjalnymi źródłami 10 października 2026.

Przeczytaj, zanim zaczniesz ćwiczyćZacznij od przewodnika CDL School Bus Endorsement Study Guide: przystępne notatki, rysunki i liczby do zapamiętania.
  1. Pytanie 1 z 25

    What tests are needed for the school bus (S) endorsement?
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    Odpowiedź: A. A knowledge test and a skills test

    Federal rules require both a knowledge test and a skills test for the school bus endorsement.

  2. Pytanie 2 z 25

    A CLP holder has an S endorsement on the permit. What is the limit?
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    Odpowiedź: C. No school bus driving with passengers on board

    A CLP holder with an S endorsement is prohibited from operating a school bus with passengers.

  3. Pytanie 3 z 25

    Is entry-level driver training required for a first school bus endorsement?
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    Odpowiedź: A. Yes

    ELDT is required for a first-time school bus (S) endorsement since February 7, 2022.

  4. Pytanie 4 z 25

    How far in front of the front bumper can the school bus danger zone extend?
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    Odpowiedź: A. Up to 30 feet

    The danger zone may extend as much as 30 feet from the front bumper, with the first 10 feet the most dangerous.

  5. Pytanie 5 z 25

    Which part of the danger zone in front of the bus is most dangerous?
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    Odpowiedź: A. The first 10 feet

    The first 10 feet in front of the bumper are the most dangerous.

  6. Pytanie 6 z 25

    How far does the danger zone extend from the left and right sides of the bus?
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    Odpowiedź: B. 10 feet

    The danger zone extends 10 feet from the left and right sides of the bus.

  7. Pytanie 7 z 25

    How far does the danger zone extend behind the rear bumper?
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    Odpowiedź: C. 10 feet

    The danger zone extends 10 feet behind the rear bumper.

  8. Pytanie 8 z 25

    Why is the area to the left of the bus always considered dangerous?
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    Odpowiedź: C. Cars may pass the bus there

    Passing cars make the area on the left side of the bus dangerous at all times.

  9. Pytanie 9 z 25

    What is a school bus danger zone?
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    Odpowiedź: B. Any area around the bus where children are most at risk

    Danger zones are the areas on all sides of the bus where children are in the most danger.

  10. Pytanie 10 z 25

    How should the outside flat mirrors be adjusted?
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    Odpowiedź: C. To see 200 feet behind, the sides, and the rear tires

    Adjust the flat mirrors so you can see 200 feet or 4 bus lengths behind, the sides of the bus, and the rear tires on the ground.

  11. Pytanie 11 z 25

    How large can the blind spot directly behind a school bus be?
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    Odpowiedź: D. It can extend up to 400 feet

    The blind spot behind the bus is usually 50 to 150 feet and can reach 400 feet, depending on bus size.

  12. Pytanie 12 z 25

    What are the outside convex mirrors used for?
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    Odpowiedź: A. Watching the sides of the bus at a wide angle

    Convex mirrors are below the flat mirrors and show the left and right sides at a wide angle.

  13. Pytanie 13 z 25

    How should the outside convex mirrors be adjusted?
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    Odpowiedź: C. To see the whole side, the rear tires, and a lane on each side

    Convex mirrors should show the whole side of the bus, the front of the rear tires touching the ground and at least one lane beside the bus.

  14. Pytanie 14 z 25

    How do convex and crossover mirrors change what you see?
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    Odpowiedź: D. They distort the size and distance of things

    These curved mirrors show more area but distort the size and distance of what you see.

  15. Pytanie 15 z 25

    What are crossover mirrors used for?
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    Odpowiedź: D. Seeing the danger zone in front of the bus

    Crossover mirrors show the front bumper danger zone, which you cannot see directly, and the area around the service door and front wheels.

  16. Pytanie 16 z 25

    How should the crossover mirrors be adjusted?
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    Odpowiedź: D. To see the area in front, from the bumper to where direct view begins

    Crossover mirrors should cover the area from the front bumper at ground level to where you can see directly. The views should overlap.

  17. Pytanie 17 z 25

    What should you be able to see in the overhead inside mirror?
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    Odpowiedź: B. The top of the rear window and all students, even those behind you

    Adjust the inside mirror to see the top of the rear window and all students, including the heads of students right behind you.

  18. Pytanie 18 z 25

    Where are the blind spots of the overhead inside mirror?
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    Odpowiedź: C. Right behind your seat, and far behind the rear bumper

    Use the outside mirrors to watch traffic in the area behind the bus that the inside mirror cannot show.

  19. Pytanie 19 z 25

    When should you turn on the flashing amber warning lights before a stop?
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    Odpowiedź: A. At least 200 feet or 5 to 10 seconds before the stop

    Turn on the alternating amber lights at least 200 feet or about 5 to 10 seconds before the stop, or as your state requires.

  20. Pytanie 20 z 25

    When approaching a bus stop, about when should you turn on the right turn signal?
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    Odpowiedź: C. About 100 to 300 feet before pulling over

    Turn on the right signal about 100 to 300 feet, or 3 to 5 seconds, before pulling over.

  21. Pytanie 21 z 25

    How far from students waiting at a stop should the front bumper be when you stop?
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    Odpowiedź: A. At least 10 feet away

    Stop with the front bumper at least 10 feet away from students, so they must walk to the bus.

  22. Pytanie 22 z 25

    At each stop, what should you do with the transmission and parking brake?
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    Odpowiedź: B. Shift to Park (or Neutral) and set the parking brake

    Place the transmission in Park, or Neutral if there is no Park, and set the parking brake at each stop.

  23. Pytanie 23 z 25

    When should you turn on the alternating red lights and extend the stop arm?
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    Odpowiedź: B. When traffic is a safe distance away

    Activate the red lights when traffic is at a safe distance, then make a final check that traffic has stopped before opening the door.

  24. Pytanie 24 z 25

    How should students board the bus?
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    Odpowiedź: B. Slowly, single file, using the handrail

    Students board slowly in single file and use the handrail. Keep the dome light on when loading in the dark.

  25. Pytanie 25 z 25

    When can you move the bus after students board?
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    Odpowiedź: A. When all students are seated and facing forward

    Wait until students are seated and facing forward before moving.

Co warto wiedzieć przed egzaminem

  • Federal rules set the passing score for every CDL knowledge test: you must answer at least 80% of the questions correctly.
  • The school bus test has 20 questions in states such as Washington and Illinois, so you need 16 correct answers.
  • The school bus endorsement needs both a knowledge test and a skills test.
  • A first school bus endorsement requires entry-level driver training from a provider on FMCSA's Training Provider Registry.
  • A CLP holder with an S endorsement may not drive a school bus with passengers on board.
  • The danger zone can reach 30 feet in front of the bus and 10 feet from the sides and rear.

Najczęściej zadawane pytania

How many questions are on the school bus test?

Each state sets the number, but Washington and Illinois both use 20 questions. You need 16 correct to pass.

Is there a skills test for the S endorsement?

Yes. Federal rules require a knowledge test and a skills test for the school bus endorsement.

How far does the school bus danger zone extend?

Up to 30 feet in front of the bus, with the first 10 feet the most dangerous, and 10 feet from the sides and the rear.

Where should a school bus stop at a railroad crossing?

No closer than 15 feet and no farther than 50 feet from the nearest rail, with the radio off and the service door and driver's window open.

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