South Carolina CDL Written Test — Questions, Cost & Study Tips (2026)

Studying for your South Carolina CDL written exam? Here is what applicants typically need to know before visiting South Carolina SCDMV.

How many questions on the South Carolina CDL test?

South Carolina general knowledge written exams commonly include about 50 multiple-choice questions for the core CDL knowledge test. Endorsements such as air brakes, combination vehicles, hazmat, and passenger are separate written tests if your license class requires them.

PassCDL mirrors this structure: start with general knowledge, then add endorsement practice for the tests you need.

South Carolina CDL test cost (approximate)

Written exam fees at South Carolina SCDMV are typically $25–$40 per attempt (varies by office and endorsement). Failing and retesting can cost more than a month of PassCDL Pro — many students prefer unlimited practice before test day.

South Carolina study tip

SCDMV CDL knowledge tests are required before the skills exam for each license class.

Free SC CDL practice test

Use our South Carolina CDL practice test for scored questions and explanations. PassCDL Pro adds full exam simulations, all endorsements, and unlimited retakes.

See also: How many questions on the CDL test? · CDL general knowledge study guide

Educational practice only — not affiliated with South Carolina SCDMV or any state DMV.