Undergraduate certificate · Nashville, Tennessee

Is Heavy/Industrial Equipment Maintenance Technologies/Technicians at Nashville Auto-Diesel College worth it?

High confidence High confidence: 100+ graduates behind the earnings figures.

The verdict · all families, in-state, half paid with loans

Pays back fast: graduates typically recover the cost in about 2.5 years.

Earnings 1 year after graduating: $56,179; Treasury AY2020-21, AY2021-22 pooled earnings cohort measured in CY2022, CY2023, inflation adjusted to 2024 dollars
Earnings 4 years after graduating: $61,203; Treasury AY2017-2018, AY2018-2019 pooled earnings cohort measured in CY2022, CY2023, inflation adjusted to 2024 dollars
Typical federal debt at graduation: $12,000; NSLDS pooled AY2022-23, AY2023-24 cohort
Net cost to graduate, all families: $37k (likely $37k – $50k); AcadYr 2024-25, reported in IPEDS DCY2025-26
Earnings bump, year 4: $23k a year vs high-school graduates aged 25–34 in TN; 2023 ACS 5-year pooled, adjusted to 2024 dollars
Payback: 2.5 years (likely 2.1–3.2); Bump vs net cost plus loan interest
10-year net return: $147k (likely $109k – $182k); Today's dollars
20-year net return: $421k (likely $331k – $511k); Today's dollars
Odds of finishing (school-wide): 69%; Fall 2019 or AcadYr 2019-20 cohort (differs by institutional calendar), reported in IPEDS DCY2025-26
Borrowers making progress / in default, 2 years in: not reported / ≤ 5%; NSLDS AY2016-17, AY2017-18 pooled cohorts measured in 2018-19, 2019-20