What License You Need to Drive a School Bus

You need a commercial driver's license with a school bus endorsement

A standard driver's license does not permit you to operate a school bus, even if you have a clean driving record. You must obtain a commercial driver's license (CDL) from your state's Department of Motor Vehicles, and then add a school bus endorsement (often called an "S" endorsement) to that CDL. The endorsement is what legally allows you to transport students.

The process involves written tests, a skills test behind the wheel, and a background check. Most states require you to pass these before you can legally drive a school bus for any district, private school, or charter operator. Some states also require fingerprinting and a medical examination.

Key Takeaways

You must hold a commercial driver's license (CDL) with a school bus endorsement; a regular driver's license is not sufficient.
The school bus endorsement requires passing written knowledge tests, a behind-the-wheel driving test, and a background check.
Most states require you to be at least 21 years old and have held a valid driver's license for at least one year before you can test for a CDL.
Your employer (the school district or bus company) typically covers the cost of the endorsement training and testing.

The difference between a CDL and a school bus endorsement

A commercial driver's license is a separate class of license that allows you to operate any vehicle over a certain weight (usually 26,001 pounds or more). It requires more rigorous testing than a standard license because you are responsible for passenger safety and cargo. A CDL alone lets you drive large trucks, but not school buses carrying students.

The school bus endorsement is an additional certification added to your CDL. It proves you have passed tests specific to school bus operation: knowledge of student safety procedures, proper loading and unloading, emergency equipment, and how to handle students with disabilities. Without this endorsement, you cannot legally transport students, even if you hold a CDL for other purposes.

Age and licensing requirements before you can test

Most states require you to be at least 21 years old to hold a CDL with a school bus endorsement. A few states allow 18-year-olds to obtain a CDL for intrastate (within-state) school bus driving only, but this varies by state and employer policy.

You must also hold a valid standard driver's license for at least one year before you can test for a CDL in most states. Some states require two years. Check with your state's DMV or your prospective employer to confirm the exact requirement in your area, as it can differ.

Written tests you will take

To obtain a CDL with a school bus endorsement, you must pass multiple written tests at your state's DMV. The first is the general knowledge test, which covers basic commercial driving rules, vehicle inspection, and safe driving practices. The second is the air brakes test (required in most states), which covers the air brake system found on most school buses. The third is the school bus test, which covers student safety, loading procedures, emergency equipment, and special needs transportation.

Each test typically contains 20 to 50 multiple-choice questions. You must usually score 80 percent or higher to pass. Your employer or a CDL training program can provide study materials and practice tests. Many school districts offer paid training courses that cover all three tests before you sit for the official exam.

The behind-the-wheel driving test

After you pass the written tests, you must complete a skills test administered by a DMV examiner or an approved third-party tester. This test has three parts: a vehicle inspection walk-around, a basic control skills test (backing, turning, and parking in a confined space), and a road test where you drive the school bus on public roads while the examiner observes.

The examiner will watch how you handle the bus, check your mirror usage, observe your braking and acceleration, and assess your ability to navigate turns and stop smoothly. You must demonstrate that you can safely operate the vehicle and follow traffic laws. Most people schedule this test after completing a formal training program, which gives them hands-on practice with an actual school bus.

Background check and medical requirements

All states require a background check before you can receive a school bus endorsement. This check looks for criminal convictions, particularly those involving violence, drugs, or crimes against children. Certain convictions will disqualify you permanently; others may disqualify you for a set period. Your state's DMV or the school district will explain what offenses are disqualifying.

Many states also require a medical examination by a certified medical examiner to may support you are physically and mentally fit to drive. This exam checks your vision, hearing, blood pressure, and ability to operate the vehicle safely. You will receive a medical certificate valid for one to two years. Some states require this exam only when you first obtain your CDL; others require it periodically.

How your employer helps with the process

Most school districts and bus operators will hire you as a conditional employee and then pay for your CDL training and testing. They typically enroll you in a CDL training program (either in-house or through a third-party provider) that covers classroom instruction, written test preparation, and behind-the-wheel practice. The district pays the training costs and the DMV testing fees.

Your employer will also initiate the background check and may schedule your medical examination. Once you pass all tests and receive your endorsement, you are cleared to begin driving routes. If you do not pass a test, most employers will allow you to retake it, though you may have to pay for the second attempt yourself. Ask your hiring manager what their policy is before you start.

Frequently Asked Questions

Can I drive a school bus with just a regular driver's license?

No. A standard driver's license does not permit you to operate a school bus under any circumstances. You must hold a commercial driver's license with a school bus endorsement. Driving without one is illegal and can result in fines and criminal charges.

How long does it take to get a school bus endorsement?

The timeline varies, but most people complete the process in four to eight weeks. This includes classroom training (one to two weeks), behind-the-wheel practice (one to two weeks), and time to schedule and pass the written and skills tests at the DMV. Your employer's training program will give you a specific timeline.

What if I fail the written test or driving test?

You can retake any test you fail. Most states allow you to retake a written test the next business day or within a few days. For the skills test, you typically must wait a few days to a week before scheduling another attempt. Your employer may cover the cost of the first attempt but charge you for retakes.

Do I need to renew my school bus endorsement?

Yes. Your CDL and school bus endorsement must be renewed every four to eight years, depending on your state. You will need to renew your medical certificate more frequently, usually every one to two years. Your employer will remind you when renewal is due.

Will a traffic violation or accident affect my endorsement?

Serious violations or at-fault accidents can result in suspension or revocation of your CDL and endorsement. Your employer is also required to report certain violations to the state. Maintain a clean driving record while you hold the endorsement, as your job depends on it.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.