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Rail Crew Tests

ScotRail conductor assessment

Services across Scotland

ScotRail publishes the shape of its process and one genuinely useful promise: where it invites you to an assessment centre, it tells you the format in advance and sends practice booklets. Conductor adverts describe an online assessment and then a classroom assessment, with the interview after that.

The interview is competency-based around STAR and also asks about ScotRail’s values, and because conductor is a safety-critical grade the medical is face to face rather than a form. What ScotRail does not do is name the tests, and applicant accounts of them are thin and several years old — they describe a concentration exercise of marking off shapes and a multiple-choice comprehension passage.

How much we know

There is little public detail on this assessment. The stages below are the general pattern for the grade, not a confirmed list.

In order

The ScotRail selection stages

This is not an official ScotRail process description. Your invitation letter is the authority for your own.

  1. 01Online application form
  2. 02Online assessment
  3. 03Classroom assessment at an assessment centre — format and practice booklets sent in advance
  4. 04Competency and values interview, structured around STAR
  5. 05References and a Disclosure Scotland check
  6. 06Face-to-face safety-critical medical with drug screening

Detail

Worth knowing about ScotRail

Practice

What to practise for ScotRail

Matched to the stages above. Every demo is free and needs no account.

Every process on this list ends in a competency interview. Our guide to the interview and the role play covers the competencies operators assess and how to structure an answer, and the process guide sets out every stage across the sector.

Before you apply elsewhere

Not every operator has an on-board grade

If you are comparing operators, these run driver-only services and have no conductor or guard job to apply for:

c2c
Driver-only operation on the London, Tilbury and Southend route. No conductor or guard grade.
Elizabeth line
Driver-only operation. The concession changed hands in May 2025 and is now run by GTS Rail Operations; its frontline grades are customer and revenue roles, not a conductor grade.
London Overground
Driver-only. The concession passed to First Rail London in May 2026, but the brand and the six named lines are unchanged, and the frontline grades are station and revenue roles.
Heathrow Express
Driver-only, and run by GWR under a management contract, so its train crew hiring goes through GWR rather than Heathrow Express itself.
Thameslink and Great Northern
No conductor or guard grade — these run driver-only. Both do advertise a Passenger Host grade, which is revenue, customer and security work without door or dispatch duties. Southern, in the same group, is different — see its page.
Freight operators
Freight trains have not carried guards since single-manning in the 1980s. Note the naming trap: GB Railfreight advertises “Train Manager” and “Trainee Train Manager” vacancies that are train driver roles, and asks for a driver psychometric pass within the last five years.

Compare

Other operators that employ on-board crew

Compiled from publicly posted applicant accounts and operator job adverts, September 2026. Processes change without notice — your invitation letter is the only authority on what you will sit. ScotRail names none of its conductor tests, and the applicant accounts describing them are several years old.