11194 E 45th Ave, Denver, CO · Private for-profit, 2-year
- Grads 2023-24
- 103 diesel mechanic
- Program tuition 2023-24
- $36,101 13 mo
- Median pay 1 yr out
- $41,342 undergraduate certificate
Diesel Mechanic Schools in Colorado
5 schools in Colorado reported diesel mechanic graduates for 2023-24, 199 awards in all. Sorted by number of graduates.
100 College Avenue, Sterling, CO · Public, 2-year
- Grads 2023-24
- 46 diesel mechanic
- In-state tuition/yr 2025-26
- $5,923
- Median pay 10 yrs, all
- $47,805
500 Airport Blvd, Aurora, CO · Public, 2-year
- Grads 2023-24
- 26 diesel mechanic
- In-state tuition/yr 2025-26
- $5,140
- Median pay 1 yr out
- $59,416 undergraduate certificate
16000 E CentreTech Pky, Aurora, CO · Public, 2-year
- Grads 2023-24
- 19 diesel mechanic
- In-state tuition/yr 2025-26
- $4,622
- Median pay 10 yrs, all
- $48,949
5675 S Academy Blvd, Colorado Springs, CO · Public, 4-year
- Grads 2023-24
- 5 diesel mechanic
- In-state tuition/yr 2025-26
- $4,662
- Median pay 1 yr out
- $45,885 undergraduate certificate
Diesel Mechanic Schools by city
Licensing in Colorado
Requirements are set by Colorado (and sometimes your city), not by the school. Look up the current rules for diesel technicians on CareerOneStop's License Finder for Colorado. General path: Diesel Mechanic Schools overview.
BLS puts the median annual wage for bus and truck mechanics and diesel engine specialists in Colorado at $70,480 (middle 80% from $47,450 to $96,450), May 2025. BLS Occupational Outlook Handbook.
Questions, answered from the data
How many diesel mechanic schools are there in Colorado?
5 schools in Colorado reported diesel mechanic graduates to the Department of Education for 2023-24, 199 awards in all (164 undergraduate certificates, 35 associate degrees).
How much does diesel mechanic school cost in Colorado?
At schools that price by program, public two-year colleges teaching it charge a median $5,140 a year in-state (2025-26). Grants and aid lower what most students pay.
How much does a diesel technician make in Colorado?
The BLS median annual wage for bus and truck mechanics and diesel engine specialists in Colorado was $70,480 in May 2025; the lowest-paid 10% earned under $47,450 and the top 10% over $96,450.
What do diesel mechanic graduates earn right after school?
Across 3 schools in Colorado with College Scorecard data, the median of their graduates' median earnings one year after a certificate was $45,885. Scorecard reports this for the broader program family and only for federally aided graduates.
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.