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Illinois School Bus Test

You'll face Illinois's strict railroad crossing rules on your test.

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 Illinois CDL handbook and FMCSA regulations.

About the Illinois School Bus Test

Illinois school bus drivers navigate everything from Chicago's crowded streets to rural farm routes on I-55 and I-80. You'll need to handle snow and ice in winter plus heavy traffic near schools. Our practice test covers the real situations you'll face.

The Illinois Secretary of State requires a separate School Bus endorsement. You must pass a knowledge test plus a skills test. This practice test focuses on the written exam with 20 multiple-choice questions pulled straight from the Illinois CDL handbook.

We include Illinois-specific rules like stopping for school buses on divided highways, proper loading zone procedures, and emergency evacuation drills. You'll also review pre-trip inspection requirements – critical when temperatures drop below zero.

Expect questions about student behavior management, railroad crossing protocols, and mirror adjustments. Each answer includes a short explanation to help you understand the reasoning. Don't just memorize; learn why Illinois regulations exist.

Topics Covered

✓Pre-trip inspection – Illinois requires a thorough check before every route, especially in winter when ice can hide defects.

✓Railroad crossings – Stops are mandatory at all crossings, and Illinois law bans shifting gears while crossing.

✓Student loading/unloading – Know the exact arm and light sequences Illinois demands for safety.

✓Emergency exits and evacuation – Illinois requires a specific drill protocol if hazards like fires or floods occur.

✓Mirror adjustment – You must eliminate blind spots to watch kids near the bus in Chicago's tight streets.

✓School bus stops on divided highways – Illinois law treats opposing traffic differently; get the rules right.

Study Tips

Illinois groups each bus endorsement test separately. Don't mix them up – the School Bus test covers rules unique to transporting children. Use our practice mode until you score 90% or higher. Then review the sections you miss.

Bring your current medical certificate to the DMV. You'll also need to schedule an appointment online at the Illinois Secretary of State website. Walk-ins aren't always accepted, so plan ahead. The test costs $12 per endorsement.

Focus on the Illinois-specific chapters in the CDL handbook. Pay extra attention to pages about railroad crossings and emergency evacuation – those show up on nearly every test. Read each question twice. Many test takers miss answers because they rush.

Illinois Specific Information

You'll take your School Bus test at an Illinois Secretary of State facility. Major locations include the Chicago DMV on West Jackson Boulevard, the Springfield facility on East Adams Street, and the Joliet location on West Jefferson Street. All require a scheduled appointment – book online at least two weeks early.

The test fee is $12 for the School Bus endorsement. Payment methods vary by location; most accept credit or debit cards. You can't pay cash at some sites. Bring a valid Illinois driver's license, your medical certificate, and proof of residency.

If you fail, Illinois lets you retake the test after one business day. No limit on attempts, but each retake costs $12. You can also request a Spanish-language version – just tell the examiner when you arrive. Get ready to wait; lines at busy locations can stretch 45 minutes.

Frequently Asked Questions

How many questions are on the Illinois School Bus test?

The official test has 20 multiple-choice questions. You need to answer 16 correctly (80%) to pass. Our practice test matches that count.

Do I need a separate endorsement for school bus in Illinois?

Yes – you'll need an S endorsement added to your CDL. That requires both a knowledge test and a skills test in an actual school bus.

What's the minimum age to drive a school bus in Illinois?

You must be at least 21 years old. Illinois also requires you to pass a background check and a physical exam.

Are there any Illinois-specific rules about student loading zones?

Absolutely. Illinois law says you must turn on alternating warning lights at least 100 feet before stopping. You can't load or unload until the bus comes to a complete stop with the stop arm extended.

Can I take the test in Spanish in Illinois?

Yes, the Illinois Secretary of State offers the School Bus test in Spanish. Just request it when you schedule your appointment.

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

Last verified: August 2026 · FMCSA-compliant content