You already have your CDL. Now add the endorsements that expand your qualifications and open new career paths — all available at our Irving, TX campus.
Smart CDL Academy offers CDL endorsement training right here in the DFW Metroplex. Passenger and School Bus endorsements — regular offerings. HazMat, Tanker, Doubles/Triples, and Combination — available by request. Each endorsement adds specialized qualifications to your existing Class A or Class B CDL. Smart CDL Academy is approved by the Texas Department of Public Safety as a Third-Party Skills Testing provider (TPST #0221). Eligible applicants may complete CDL skills testing at our Irving facility, subject to applicable requirements and scheduling.
CDL endorsements are add-on certifications that expand what you're legally qualified to drive or haul — added to your existing Class A or Class B CDL. They are regulated by the Federal Motor Carrier Safety Administration (FMCSA) and each endorsement type requires its own testing process.
Most endorsements are available to both Class A and Class B CDL holders. The T (Doubles/Triples) endorsement is exclusively for Class A holders. Smart CDL Academy offers CDL endorsement training at a single campus — no need to find multiple providers. Passenger and School Bus endorsements — regular offerings. HazMat, Tanker, Doubles/Triples, and Combination — available by request.
CDL endorsements add qualifications for specific vehicle types or operations.
Don't have your CDL yet? Start with our Class A CDL program or Class B CDL program first — then add endorsements to expand your qualifications.
Each endorsement applies to specific vehicle types or operations. Select any endorsement below for full training details, requirements, and career context.
The HazMat (H) endorsement authorizes you to transport hazardous materials as defined by federal DOT regulations. It requires a TSA security threat assessment — a federal background check through the Transportation Security Administration — in addition to a written exam.
Eligibility: Class A and Class B CDL holders
Applies to hazardous materials transport operations.
Full HazMat Endorsement DetailsThe Tanker (N) endorsement is required to operate tank vehicles carrying liquid or gaseous cargo.
Eligibility: Class A and Class B CDL holders
Applies to fuel delivery and liquid chemical transport operations.
Full Tanker Endorsement DetailsThe Passenger (P) endorsement qualifies you to transport 16 or more passengers. It requires both a written exam and a CDL skills test in a passenger vehicle — separate from the standard CDL test you already passed.
Eligibility: Class A and Class B CDL holders
Career paths include DART (Dallas Area Rapid Transit), charter buses, shuttle services, and coach lines.
Full Passenger Endorsement DetailsThe School Bus (S) endorsement authorizes you to operate school buses specifically. It requires a written exam, a CDL skills test, and a state-required background check. Note: the S endorsement requires you to also hold or obtain the Passenger (P) endorsement — both can be pursued together at our Irving campus.
Eligibility: Class A and Class B CDL holders (also requires P endorsement)
Requirements and hiring processes vary by district — verify directly with the district of interest.
Full School Bus Endorsement DetailsThe Doubles/Triples (T) endorsement qualifies you to legally pull double trailers and triple trailers for long-haul, OTR, and regional operations.
Eligibility: Class A CDL holders only — not available to Class B license holders
Applies to long-haul and regional double and triple trailer operations.
Full Doubles/Triples Endorsement DetailsThe Combination (X) endorsement combines both HazMat and Tanker qualifications. Both H and N requirements apply: TSA security threat assessment, plus written exams for hazardous materials and tank vehicle operation.
Eligibility: Class A and Class B CDL holders
Petrochemical carriers, bulk fuel transport, and chemical tanker operations.
Full Combination Endorsement DetailsChoosing which endorsement to pursue depends on your current CDL class and the vehicle types or operations you intend to drive. Here's how they compare.
Written Exam Only
N (Tanker), T (Doubles/Triples)
Written + Skills Test
P (Passenger), S (School Bus)
Written + TSA Check
H (HazMat), X (Combination)
Class A Drivers
H, N, T, X — available by request
Class B Drivers
P, S primary; H, N also available
Career Changers in Trucking
H or X — available by request
Local / Stable Focus
P, S — regular offerings
Not sure which endorsement to prioritize? Call our admissions team at 972-989-6450 — we'll help you map the right endorsement path based on your current CDL class and career goals.
Here are three features of Smart CDL Academy's endorsement training.
Smart CDL Academy offers CDL endorsement training at our Irving campus. Passenger and School Bus endorsements are regular offerings. HazMat, Tanker, Doubles/Triples, and Combination are available by request.
Smart CDL Academy is approved by the Texas Department of Public Safety as a Third-Party Skills Testing provider (TPST #0221). Eligible applicants may complete CDL skills testing at our Irving facility, subject to applicable requirements and scheduling.
Smart CDL Academy provides CDL endorsement training at its Irving campus. Contact our admissions team for current training availability and applicable endorsement requirements.
Adding an endorsement to your CDL can expand your qualifications without starting a new career. Endorsements can expand the types of commercial driving work for which a driver may qualify, subject to employer requirements.
CDL endorsements add qualifications for specific vehicle types or operations.
Passenger (P) and School Bus (S) endorsements are regular offerings. HazMat (H), Tanker (N), Doubles/Triples (T), and Combination (X) endorsements are available by request.
Start with the endorsement that matches your current license and the vehicle types or operations you intend to drive.
Yes. CDL endorsements are add-on certifications that expand what you're legally qualified to drive or haul — they are added to an existing Class A or Class B CDL. You must already hold a valid commercial driver's license before pursuing any endorsement. If you don't yet have your CDL, start with our Class A or Class B CDL training program.
H is the HazMat endorsement — it qualifies you to transport hazardous materials. N is the Tanker endorsement — required for operating tank vehicles carrying liquid or gaseous cargo. X is the Combination endorsement — it combines both HazMat and Tanker qualifications into one.
Choose a CDL endorsement based on the vehicle or operation you plan to drive and the applicable endorsement requirements. Passenger (P) and School Bus (S) endorsements are regular offerings; HazMat (H), Tanker (N), Doubles/Triples (T), and Combination (X) endorsements are available by request. Contact our admissions team for current training availability and scheduling.
Yes. Most CDL endorsements are available to both Class A and Class B holders. The one exception is the Doubles/Triples (T) endorsement, which is restricted to Class A CDL holders only. All other endorsements — HazMat (H), Tanker (N), Passenger (P), School Bus (S), and Combination (X) — are available to Class B holders.
Yes. The School Bus (S) endorsement requires you to also hold or obtain the Passenger (P) endorsement — this is a federal requirement, not a school policy. Training for both Passenger (P) and School Bus (S) endorsements is available at our Irving campus.
Endorsement timelines vary by type and applicable requirements. Contact our admissions team at 972-989-6450 for current training availability and scheduling.
Smart CDL Academy is approved by the Texas Department of Public Safety as a Third-Party Skills Testing provider (TPST #0221). Eligible applicants may complete CDL skills testing at our Irving facility, subject to applicable requirements and scheduling.
Yes. The HazMat (H) endorsement requires a TSA security threat assessment — a federal background check conducted through the Transportation Security Administration. This applies to both the standalone HazMat (H) endorsement and the Combination (X) endorsement, which includes HazMat. This is a federal requirement under DOT regulations, not a school-imposed condition.
Financing options may be available for endorsement training — contact our admissions team at 972-989-6450 for details on current payment options.
Passenger and School Bus endorsements — regular offerings. HazMat, Tanker, Doubles/Triples, and Combination — available by request, at one campus in Irving, TX. As a Texas DPS-approved Third-Party Skills Testing provider (TPST #0221), on-site testing is available at our Irving campus.
CDL endorsements add qualifications for specific vehicle types or operations. Contact our admissions team for current endorsement training availability and scheduling.
Smart CDL Academy's Irving, TX campus serves CDL holders seeking endorsements from across the DFW Metroplex — easy access via I-635, SH-114, and I-35E from Dallas, Fort Worth, Arlington, Plano, Garland, and Grand Prairie.
Smart CDL Academy · 7700 Esters Blvd, Irving, TX 75063 · 972-989-6450
Endorsements are add-ons to your existing CDL — not prerequisites for new students. Don't have your CDL yet? Start here: Class A CDL program or Class B CDL program.
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