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Wyoming School Bus Test

From the windy passes of I-80 to the rural routes near Laramie, our practice test prepares you for the conditions that matter.

Questions

80%

To Pass

Minutes

86 questions · 25 min time limit · 80% to pass

Opens in a practice window — choose your mode inside.

Reviewed by Jack Mahana, CDL Instructor (13+ years)

Last verified: August 2026

All questions sourced from the official Wyoming CDL handbook and FMCSA regulations.

About the Wyoming School Bus Test

Wyoming school bus drivers face some of the toughest conditions in the country. You'll navigate icy two-lane highways, sudden snow squalls, and blinding winds on I-80. Our practice test focuses on the skills you really need: safe student loading on rural roads, proper mirror use on narrow highways, and managing the bus when the temperature drops to -30°F.

School bus routes in Wyoming aren't short. You might drive 50 miles one way to pick up a handful of kids. Pre-trip inspections become critical—that tiny air leak could leave you stranded in the middle of nowhere. We cover every topic from the Wyoming CDL handbook, with extra emphasis on mountain driving and emergency evac in winter.

This isn't a generic test. We've tailored each question to Wyoming's DMV requirements. You'll practice stopping distances on wet snow, proper turn-around procedures on dead-end gravel roads, and how to handle a passing rancher's cattle. Get ready to drive the bus that keeps Wyoming's kids safe.

Topics Covered

✓Pre-trip inspection – Wyoming's freezing temps mean you must check heater, defroster, and battery cables every morning.

✓Student loading/unloading – on rural highways, proper flashers and stop arm use can't fail, especially near blind curves.

✓Railroad crossings – Wyoming has hundreds of unguarded crossings; you must stop, look, and listen even in a blizzard.

✓Mountain driving – steep grades like Snowy Range pass require controlled braking and low gear selection.

✓Emergency evacuation – you've got 30 seconds to get kids out if a fire starts; practice counts.

✓Air brakes – most Wyoming school buses use air brakes; you'll need to identify leaks and check slack adjusters daily.

Study Tips

Study the Wyoming CDL handbook's school bus section cover to cover. Don't skip the air brake endorsement—most buses in Wyoming use air systems. Practice your pre-trip inspection in the cold; that's when real problems show up. You can't just memorize, you've got to know why you check each item.

Take our practice test at least three times until you score 90% or higher. Focus on questions about student safety, emergency exits, and railroad crossings. Those are the ones that trip people up. And remember: the Wyoming DMV uses a closed-book, proctored test. No phone, no notes. So learn it cold.

Wyoming Specific Information

Wyoming CDL school bus tests happen at DMV offices in Cheyenne, Casper, Rock Springs, and other locations. You'll need to make an appointment online or by phone. The knowledge test costs $10 for the endorsement, plus the CDL fee if you don't already have one. Bring your current CDL, medical card, and two forms of ID.

You can take the school bus test in English or Spanish. Expect 20 multiple-choice questions, and you need 16 correct to pass (80%). The test is computer-based, so you'll get your results right away. Fail? No problem—you can retake it the next business day, but you'll pay the fee again.

Don't forget: if you're adding the school bus endorsement to an existing CDL, you must still pass a separate skill test. That includes a pre-trip inspection and a road test with a school bus. The DMV will schedule that after you pass the written exam.

Frequently Asked Questions

What's the minimum age for a school bus endorsement in Wyoming?

You must be at least 18 years old to get a school bus endorsement in Wyoming. But if you cross state lines, you'll need to be 21.

Do I need a separate test for air brakes on a school bus?

Yes, if your bus has air brakes, you'll need to take the air brake knowledge test. Most school buses in Wyoming use air brakes, so don't skip it.

How long is the Wyoming CDL school bus test?

The written test has 20 questions. You get 25 minutes to finish. That's plenty of time if you study.

Can I take the school bus test online?

No, all CDL knowledge tests in Wyoming are done in person at a DMV office. You can't take them online.

What happens if I fail the school bus test in Wyoming?

You can retake it the next business day. Just schedule another appointment and pay the test fee again.

Reviewed by Jack Mahana, CDL Instructor (13+ years)

Last verified: August 2026 · FMCSA-compliant content