CDL — Bằng Lái Thương Mại in Washington

🚌 School Bus (S) — additional Washington requirements

Beyond the federal CDL School Bus knowledge + skills test, this state adds its own school-bus driver credential. (Practice here covers the knowledge test only.)

Administering agency

Washington Office of Superintendent of Public Instruction (OSPI); WAC 392-144

State credential

Washington requires a Type I school bus driver's authorization issued by the Superintendent of Public Instruction (OSPI), in addition to a Class B or C CDL with a passenger endorsement and a valid first aid card.

Renewal / in-service

Maintain the authorization, first aid card, and physical/medical certification per WAC 392-144 (OSPI sets the training and qualification rules).

Other prerequisites

A Class B or C CDL with a passenger endorsement; a valid first aid card; physical and medical certifications meeting WAC 392-144; a complete driving-record abstract from the Department of Licensing; and an applicant disclosure statement.