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Diesel mechanic schools in Washington

Washington has 11 accredited campuses awarding diesel tech credentials. If you finish and work as a diesel technician in Washington, expect to start around $54,720–$63,700 and reach a median of $77,900 with experience; the top quarter earn $92,880 or more (U.S. Bureau of Labor Statistics, May 2025, Washington). Graduates of these Washington programs — every graduate, whatever job they took — earned a median of $38,009 in their first year, against $37,506 nationally; that is the figure used to rank campuses below.

What bus and truck mechanics and diesel engine specialists earn in Washington

$54,720starting (10th percentile)
$63,700early career (25th)
$77,900median, all experience
$92,880experienced (75th)
$102,800top earners (90th)

U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025; 7,410 employed in Washington. National median: $61,770.

Campuses in Washington, ranked by what their graduates earned

11campuses in Washington
245credentials awarded / yr
$38,009median earnings, yr 1 (Washington)
$37,506median earnings, yr 1 (U.S.)

Cities: AberdeenBellinghamCentraliaKirklandLongviewMount VernonSeattleSpokaneTacomaVancouverWalla Walla

CampusCityTypeGrads / yrEarnings, yr 1Program debtCompletionCost / yr
Skagit Valley College Mount Vernon Public 7 $47,741 not reported not reported not reported
Spokane Community College Spokane Public 18 $39,346 $14,679 not reported not reported
Lake Washington Institute of Technology Kirkland Public 14 $36,672 not reported not reported not reported
Walla Walla Community College Walla Walla Public 20 $34,346 not reported not reported not reported
Bates Technical College Tacoma Public 117 not reported not reported not reported not reported
Bellingham Technical College Bellingham Public 35 not reported not reported not reported not reported
Centralia College Centralia Public 13 not reported not reported not reported not reported
Grays Harbor College Aberdeen Public 8 not reported not reported not reported not reported
South Seattle College Seattle Public 7 not reported not reported not reported not reported
Clark College Vancouver Public 5 not reported $9,625 not reported not reported
Lower Columbia College Longview Public 1 not reported not reported not reported not reported

Earnings are median wages and self-employment income reported to the IRS (W-2 and Schedule SE) for graduates who received federal aid and were working and not enrolled, measured in the calendar year after finishing. They are pay only: health insurance, retirement contributions and other benefits are not included.

Ranked by median earnings of this program's graduates one year after completion (College Scorecard field-of-study, Integrated Postsecondary Education Data System (IPEDS) 2022-23 Completions survey; College Scorecard June 2026; Database of Accredited Postsecondary Institutions and Programs (DAPIP), September 2026); campuses without a reported figure follow, by credentials awarded. "Program debt" is the median federal loan debt for graduates of this program at this campus. Completion is the campus-wide 150%-of-time rate. "Not reported" means the federal file suppresses the value for privacy.

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