South Dakota CDL

South Dakota CDL School Bus Practice Test 2026

The School Bus (S) endorsement sits on top of the Passenger endorsement and is required to drive a school bus in South Dakota. Most states add their own background check. The material centers on protecting children — danger zones, loading, and railroad crossings.

South Dakota School Bus Test — Quick Facts

FormatWritten test + skills test
Questions20 questions
Passing score80% (16/20)
Min. age (intrastate / interstate)18 / 21
CLP hold before skills test14 days min
Government feeSee South Dakota DMV →
Start the Free South Dakota School Bus Test →

20 questions · one per page · your progress saves automatically

South Dakota School Bus Practice Tests

4 full practice tests, each with 20 questions drawn from the South Dakota CDL question bank. Your score and progress save as you go.

About the South Dakota School Bus Test

The School Bus (S) endorsement sits on top of the Passenger endorsement and is required to drive a school bus in South Dakota. Most states add their own background check. The material centers on protecting children — danger zones, loading, and railroad crossings.

From Pedro, behind the wheelSchool bus is the one where the stakes are highest, and the test reflects it. The danger zones and the loading and unloading steps are where the points are. Over-prepare those.

What Test-Takers Miss Most

  • 1Danger zones and mirror adjustment
  • 2Loading and unloading procedures
  • 3Railroad crossing rules

South Dakota CDL Requirements & Fees

South Dakota follows the federal CDL framework: a minimum age of 18 for intrastate driving and 21 for interstate, a commercial learner's permit you must hold at least 14 days before the skills test, and the 80% passing standard. License fees and retake rules are set by South Dakota and change from time to time, so check the official source below for current amounts before you go in.

Official South Dakota CDL Handbook & FeesCurrent requirements, fees, and the manual this test is based on OPEN →

Frequently Asked Questions

How many questions are on the South Dakota CDL School Bus test?
The School Bus test has 20 questions, and you need 16 correct to pass at the 80% threshold used across the U.S. under FMCSA standards. Exact counts can vary slightly by state, so confirm with the South Dakota CDL handbook.
What score do I need to pass in South Dakota?
You need 80% — that's 16 of 20 questions correct on the School Bus test.
How much does a South Dakota CDL cost?
CDL fees are set by South Dakota's licensing agency and change periodically, so we don't quote a figure that could go stale. Check current amounts on the official South Dakota CDL page.
Is this South Dakota practice test free and accurate?
Yes — it's completely free, based on the South Dakota CDL handbook, and written and verified by Pedro Marin, an active CDL holder. No registration required.

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