1524 Gallatin Rd, Nashville, TN · Private for-profit, 2-year
- Grads 2023-24
- 255 diesel mechanic
- Program tuition 2023-24
- $36,020 13 mo
- Median pay 1 yr out
- $41,342 undergraduate certificate
Diesel Mechanic Schools in Tennessee
12 schools in Tennessee reported diesel mechanic graduates for 2023-24, 422 awards in all. Sorted by number of graduates.
426 Highway 91, Elizabethton, TN · Public, 2-year
- Grads 2023-24
- 34 diesel mechanic
- Program tuition 2023-24
- $6,865 20 mo
- Median pay 1 yr out
- $35,130 undergraduate certificate
740 Hwy 46, Dickson, TN · Public, 2-year
- Grads 2023-24
- 23 diesel mechanic
- Largest program 2025-26
- $7,435
- Median pay 1 yr out
- $43,170 undergraduate certificate
100 White Bridge Pike, Nashville, TN · Public, 2-year
- Grads 2023-24
- 21 diesel mechanic
- Largest program 2025-26
- $6,348
- Median pay 1 yr out
- $49,929 undergraduate certificate
3070 Hwy. 64 West, Crump, TN · Public, 2-year
- Grads 2023-24
- 16 diesel mechanic
- Largest program 2025-26
- $5,948
- Median pay 10 yrs, all
- $36,743
1100 Liberty Street, Knoxville, TN · Public, 2-year
- Grads 2023-24
- 16 diesel mechanic
- Largest program 2025-26
- $4,820
- Median pay 1 yr out
- $32,916 undergraduate certificate
550 Alabama Ave, Memphis, TN · Public, 2-year
- Grads 2023-24
- 15 diesel mechanic
- Largest program 2025-26
- $7,336
- Median pay 1 yr out
- $43,055 undergraduate certificate
910 Miller Avenue, Crossville, TN · Public, 2-year
- Grads 2023-24
- 13 diesel mechanic
- Largest program 2025-26
- $5,948
- Median pay 1 yr out
- $27,054 undergraduate certificate
1745 Harriman Highway, Harriman, TN · Public, 2-year
- Grads 2023-24
- 11 diesel mechanic
- Program tuition 2023-24
- $6,865 20 mo
- Median pay 1 yr out
- $37,777 undergraduate certificate
740 Hi Tech Dr, Livingston, TN · Public, 2-year
- Grads 2023-24
- 9 diesel mechanic
- Largest program 2025-26
- $4,761
- Median pay 10 yrs, all
- $38,764
340 Washington St, Newbern, TN · Public, 2-year
- Grads 2023-24
- 8 diesel mechanic
- Largest program 2025-26
- $5,948
- Median pay 1 yr out
- $56,646 undergraduate certificate
355 Scott High Drive, Huntsville, TN · Public, 2-year
- Grads 2023-24
- 1 diesel mechanic
- Largest program 2025-26
- $4,247
- Median pay 10 yrs, all
- $35,308
Diesel Mechanic Schools by city
Licensing in Tennessee
Requirements are set by Tennessee (and sometimes your city), not by the school. Look up the current rules for diesel technicians on CareerOneStop's License Finder for Tennessee. General path: Diesel Mechanic Schools overview.
BLS puts the median annual wage for bus and truck mechanics and diesel engine specialists in Tennessee at $59,190 (middle 80% from $40,450 to $80,580), May 2025. BLS Occupational Outlook Handbook.
Questions, answered from the data
How many diesel mechanic schools are there in Tennessee?
12 schools in Tennessee reported diesel mechanic graduates to the Department of Education for 2023-24, 422 awards in all (395 undergraduate certificates, 27 associate degrees).
How long is diesel mechanic school?
Among the 4 diesel mechanic programs in Tennessee that reported a length to IPEDS for 2023-24, the median took 16.5 months to finish. Community college associate degrees usually take two years full time.
How much does diesel mechanic school cost in Tennessee?
At schools that price by program, the median published tuition and fees for a whole diesel mechanic program was $21,442 in 2023-24 (4 programs reporting, from $6,865 to $36,020). Grants and aid lower what most students pay.
How much does a diesel technician make in Tennessee?
The BLS median annual wage for bus and truck mechanics and diesel engine specialists in Tennessee was $59,190 in May 2025; the lowest-paid 10% earned under $40,450 and the top 10% over $80,580.
What do diesel mechanic graduates earn right after school?
Across 13 schools in Tennessee with College Scorecard data, the median of their graduates' median earnings one year after a certificate was $43,055. Scorecard reports this for the broader program family and only for federally aided graduates.
All trade schools in Tennessee
Sources: IPEDS Completions 2023-24 (C2024_A) and Directory (HD2024), NCES; College Scorecard institution data (2025-26 charges, released Nov 2, 2026) and field-of-study data (Oct 15, 2026); FMCSA Training Provider Registry (as of 2026-11-02); BLS Occupational Employment and Wage Statistics, May 2025. Checked 2026-11-02. How we build this list.