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PE exam pass rates by discipline

First-time PE pass rates range from about 48% to 91% depending on the discipline, per NCEES. In the big year-round exams, Civil: Water Resources and Environmental (71%), Mechanical: HVAC and Refrigeration (71%) and Environmental (73%) are highest; Chemical (55%) and Civil: Construction (60%) are among the lowest. Repeat takers pass far less often, typically around 40%.

Source: NCEES PE pass-rate table, mostly updated July 2026 (Jan-June 2026 examinees); smaller once-a-year exams updated January 2026. Checked October 11, 2026.

Discipline First-time pass First-time volume Repeat pass Offered
Agricultural and Biological 91% 33 100% Once a year
Architectural 60% 89 31% Once a year
Chemical 55% 225 32% Year-round
Civil: Construction 60% 1,000 38% Year-round
Civil: Geotechnical 63% 434 44% Year-round
Civil: Structural 62% 1,624 43% Year-round
Civil: Transportation 61% 1,929 43% Year-round
Civil: Water Resources and Environmental 71% 2,620 49% Year-round
Control Systems 61% 250 45% Once a year
Electrical and Computer: Computer Engineering 56% 27 0% Once a year
Electronics, Controls, and Communications 63% 175 52% Once a year
Electrical and Computer: Power 62% 1,344 42% Year-round
Environmental 73% 415 54% Year-round
Fire Protection 85% 262 44% Once a year
Industrial and Systems 69% 80 29% Once a year
Mechanical: HVAC and Refrigeration 71% 799 40% Year-round
Mechanical: Machine Design and Materials 61% 401 39% Year-round
Mechanical: Thermal and Fluid Systems 70% 578 46% Year-round
Metallurgical and Materials 49% 43 50% Once a year
Mining and Mineral Processing 57% 47 50% Once a year
Naval Architecture and Marine 63% 46 38% Once a year
Nuclear 48% 21 60% Once a year
Petroleum 53% 62 55% Once a year

Source: NCEES. First-time and repeat pass rates; volumes are numbers of examinees.

Reading these numbers

  • Small exams swing: a discipline with 21 or 27 takers can move a lot between reports.
  • Pass rates reflect the candidate pool as much as exam difficulty.
  • PE Structural (the 16-hour SE) is reported separately by section; its depth sections have much lower pass rates.
Official source & community discussion
NCEES: PE Civil (pass-rate table) (official) → See related questions on Quora →