- CDL (Commercial Driver's License)
- A federally required license in the US and equivalent in other jurisdictions permitting the holder to operate a vehicle over 26,001 lbs or carrying 16 or more passengers.
- Passenger (P) Endorsement
- An additional CDL endorsement required to transport passengers for hire or in organized group travel, including school routes.
- School Bus (S) Endorsement
- A CDL endorsement specific to operating a school bus that carries pre-K through grade 12 students, requiring additional testing on student safety procedures.
- DOT Physical
- A medical examination required by the US Department of Transportation to certify that a commercial driver is physically qualified to safely operate a commercial vehicle.
- Pre-Employment Drug and Alcohol Screening
- Federally mandated testing under 49 CFR Part 382 that all CDL holders must pass before operating a school bus or commercial vehicle in a safety-sensitive function.
- Background Check
- A review of criminal history, sex offender registry, and prior driving record required for anyone transporting minors, typically mandated by state education law.
- Safety-Sensitive Function
- Any duty directly related to the safe operation of a commercial vehicle — driving, pre-trip inspection, fueling — that triggers DOT drug and alcohol testing obligations.
- Pre-Trip Inspection
- A mandatory daily check of vehicle systems — brakes, lights, tires, mirrors, emergency exits, and first-aid equipment — that the driver must complete and document before operating the bus.
- IEP Accommodation
- A requirement under an Individualized Education Program for a student with disabilities that may affect how a driver boards, secures, or communicates with that student on the route.
- At-Will Employment
- Employment that either party may end at any time for any lawful reason — common in US states — which must be stated explicitly in the job description or accompanying contract to be enforceable.
- FMCSA
- The Federal Motor Carrier Safety Administration, the US agency that sets CDL, drug testing, and hours-of-service rules governing commercial vehicle operators including school bus drivers.