Primary FRCA Pass Mark: How It Is Set and What to Aim For
The Primary FRCA MCQ does not have a fixed pass mark. The Royal College of Anaesthetists sets the standard for each diet, which means the number of marks you need moves a little between sittings. Understanding how that works changes how you should judge your readiness.
Key points
- No fixed percentage pass mark — set per diet by standard setting
- MCQ is 90 questions: 30 pharmacology, 30 physiology, 30 physics and clinical measurement
- Recent diets have typically required roughly three-quarters of available marks
- The pass mark is the standard you must reach; the pass rate is the proportion who reached it
- Aim for a comfortable, consistent margin above the pass standard in timed mocks
The current Primary FRCA written exam structure
The pass mark applies to the written MCQ paper, so it helps to be clear about what that paper is. The Primary FRCA MCQ is a single three-hour written paper of 90 questions, split evenly into 30 pharmacology, 30 physiology, and 30 physics and clinical measurement questions. It combines multiple true/false items with single best answer questions.
The paper is marked positively — there is no negative marking, so an unanswered question can only score zero while a considered guess can score. Your total mark across all 90 questions is what is compared against the pass mark for that diet; there is no requirement to pass each subject separately, which is exactly why a single weak subject is so dangerous.
The MCQ is only the first component of the Primary FRCA. Passing it earns you a place at the OSCE and structured oral examination, which are standard set separately and have their own pass marks.
- One written paper, three hours, 90 questions
- Three equally weighted subjects, 30 questions each
- Multiple true/false and single best answer formats
- Positively marked — no penalty for a wrong answer
- Total score is compared with a per-diet pass mark; subjects are not passed individually
How the pass mark is set
The RCoA uses a recognised standard-setting process rather than a fixed percentage. Subject experts judge the difficulty of each paper, and the pass mark is set so that a candidate with the required minimum level of knowledge would pass. Because paper difficulty varies slightly between diets, the pass mark moves with it.
This means a harder paper can have a lower pass mark and an easier paper a higher one. The pass mark for your diet is published with the results, so you always know exactly where you finished relative to the standard.
What the pass mark has looked like in practice
Although it varies, recent Primary FRCA diets have typically required roughly three-quarters of the available marks to pass. That is a demanding standard for a 90-question paper — it leaves little room for a weak subject. Dropping ten marks in physics because you never revised it properly can be the entire margin between passing and failing.
Because the standard moves with paper difficulty, the marks required are best understood as a band rather than a fixed figure. The RCoA publishes the exact pass mark for each sitting alongside the results, so the number that matters to you is always the one printed on your own result letter.
Pass mark versus pass rate — they are not the same thing
These two numbers are constantly confused, and confusing them leads candidates to draw the wrong conclusion from their result. The pass mark is the standard: the total score a candidate must reach in that diet to pass. The pass rate is the outcome: the proportion of candidates who reached it.
The pass mark is set before results are released, by judging the difficulty of the paper — not by deciding in advance how many candidates should pass. There is no quota and no curve against other candidates. If every candidate in a diet reached the standard, every candidate would pass.
So a low pass rate does not mean the exam was marked harshly; it usually means a large share of that cohort was not yet ready. Equally, a high pass mark in one diet does not mean that diet was harder — it often means the paper was easier, and the standard moved up to match.
- Pass mark = the score you need, set per diet by standard setting
- Pass rate = the percentage of candidates who achieved it, known only afterwards
- No quota, no curve, no competition against other candidates
- You are measured against the standard, never against the cohort
See the Primary FRCA pass rate — the published RCoA figures by candidate group and attempt, and how to read them.
How to interpret your own pass mark and score
Your result letter gives you two figures: your total mark and the pass mark for that diet. The gap between them is the only meaningful measure of where you stood, and it is far more informative than a raw percentage.
Because the standard moves between diets, comparing your percentage with a friend's from a different sitting tells you nothing useful. Compare margins instead. A candidate three marks above the standard and a candidate twenty marks above it both passed, but only one of them had a comfortable exam.
If you fell short, read the subject breakdown before deciding what to revise. A narrow miss with one clearly weaker subject is a targeted problem with a targeted fix; an even spread of losses across all three subjects points to overall depth or exam technique rather than one topic.
Where to check the official figures
Pass marks and pass rates for each diet are published by the Royal College of Anaesthetists alongside the exam results and statistics for that sitting. Regulations, attempt limits and exam structure can change between diets, so treat the RCoA site as the authority and this guide as an explanation of how the system works.
Everything on this page describes the mechanism of standard setting rather than quoting a fixed figure, precisely because a specific number from one diet is not a target you can revise towards. Check the current diet's published statistics on the RCoA website before drawing conclusions about your own result.
What score should you target in practice?
Because the pass mark floats, the sensible target is not a number but a margin. Most examiners advise candidates to apply only once they are scoring consistently above the typical pass standard in timed, mixed 90-question mocks — not on their best day, but across several sittings in a row.
Track your mock performance by subject, not just overall. A pass-level overall score built on strong physiology and weak physics is fragile: the three subjects are equally weighted, so a third of the paper is where your risk concentrates.
- Consistent scores above the typical pass standard across multiple full mocks
- No subject (pharmacology, physiology, physics) sitting well below the others
- Stable pacing — finishing all 90 questions inside three hours with time to review flagged items
Attempts and what a fail means
Candidates are allowed a maximum of six attempts at the MCQ. A failed attempt costs an application fee and a revision window, but it also produces useful information — your result shows your total mark against the pass mark for that diet, so you can see how far off the standard you were.
If you fail narrowly, the highest-yield move is rarely to revise everything again. It is to find the subject where you lost your margin and rebuild that specifically.
Free tutorials on this topic
- Hypothesis testing — the statistics behind standard setting and score interpretation.
- Descriptive statistics — means, spread and how marks are summarised.
- Minimum alveolar concentration (MAC) — a worked example of the depth expected in pharmacology.
More Primary FRCA guides
- Primary FRCA Pharmacology: What to Study and How
- Primary FRCA Physiology: What to Study and How
- Primary FRCA Physics and Clinical Measurement: What to Study and How
- Primary FRCA preparation guide — exam structure, timelines and a full revision strategy.
- See the Primary FRCA pass rate — published RCoA figures, first attempt versus all attempts, and trends between sittings.
- Primary FRCA FAQ — format, study time, marking and results.
- Primary FRCA question bank — what's inside and syllabus coverage.
- Free Primary FRCA revision notes — full tutorials, free to read.
Test your knowledge
Reading about the Primary FRCA only gets you so far. Put it into practice with exam-style questions across pharmacology, physiology and physics — three days of full access, no card required.
Last checked against RCoA guidance: 26 August 2026. Pass marks, pass rates and exam regulations for each diet are published by the Royal College of Anaesthetists — always confirm the current position on the official RCoA examinations pages.
