What Is the GAMSAT? Eligibility, Exam Format, Sections and Scoring Explained

Learn what the GAMSAT is, who can take it, how the test is structured and scored, and what Singapore students should know before deciding whether it is relevant to their medical school applications.

What Is the GAMSAT?

The Graduate Medical School Admissions Test (GAMSAT) is a computer-based admissions test developed by the Australian Council for Educational Research (ACER) in conjunction with GEMPASS Australia Limited.

It is used as part of the selection process for a range of graduate-entry Medicine and health sciences programmes. Rather than testing scientific knowledge alone, the GAMSAT assesses a combination of critical thinking, problem-solving, written communication and the ability to apply scientific concepts in unfamiliar situations.

Although the GAMSAT originated in Australia, it is relevant to applicants beyond Australia. Universities in Australia, the UK and Ireland use GAMSAT results for selected programmes, while in Singapore, Duke-NUS Medical School accepts GAMSAT results for its MD and MD-PhD admissions.

For Singapore students considering graduate-entry Medicine, the important question is therefore not simply whether the GAMSAT is a medical admissions test, but whether your specific target programme accepts or requires it.

What Is the GAMSAT Exam For?

The GAMSAT is designed to assess whether applicants have the skills needed for demanding graduate-level study.

ACER describes the test as assessing abilities developed through prior learning and experience, including scientific reasoning as well as more general skills in problem-solving, critical thinking and writing. Questions may require you to interpret written passages, graphs, tables, mathematical relationships and other forms of information rather than simply recall memorised facts.

This means that preparing for the GAMSAT is not simply a matter of memorising a large science syllabus. Students need to be able to understand information, reason from it and apply what they know to unfamiliar problems.

Who Is Eligible to Take the GAMSAT?

Under ACER's current eligibility guidance, applicants generally need to have already completed, or be currently enrolled in, a bachelor's degree or undergraduate honours degree, or otherwise meet the entry requirements specified by their prospective institution.

Candidates must also be genuine prospective applicants to a programme for which GAMSAT is relevant to admission. Because individual universities can have their own academic eligibility requirements, students should check the criteria for their intended programme before registering.

Do You Need a Science Degree to Take the GAMSAT?

No.

ACER states that students whose first degree is in a non-scientific subject can still sit the GAMSAT and apply to relevant graduate-entry programmes. A science degree is therefore not automatically required.

However, this does not mean that the science component can be approached without scientific preparation. ACER notes that the Biological and Physical Sciences section requires knowledge and reasoning in biology, chemistry and physics, so students from non-science backgrounds may need additional preparation in these areas.

For Singapore applicants to Duke-NUS, the school currently requires applicants to have completed, or be in the final year of, a bachelor's or honours degree and to submit an accepted admissions test result as part of the application requirements.

What Is the GAMSAT Exam Format?

For the 2026 GAMSAT cycle, the test is completed across two separate sittings.

The Written Communication component is delivered through remote proctoring. Approximately three weeks later, candidates complete the Reasoning in Humanities and Social Sciences and Reasoning in Biological and Physical Sciences components at a supervised test centre.

The total testing time across the three sections is 5 hours and 15 minutes.

The Humanities and Biological and Physical Sciences sections therefore account for 4 hours and 10 minutes of testing on the in-person test day, with a break between the two sections.

Because test delivery arrangements can change between cycles, students planning for a future sitting should check the latest ACER information rather than relying on older descriptions of the GAMSAT format.

What Are the Three GAMSAT Sections?

Each part of the GAMSAT assesses a different combination of skills.

Written Communication

The Written Communication section assesses your ability to generate, develop and organise ideas in writing.

Candidates complete two writing tasks. Each task provides four statements based around a common theme, with one task focusing on socio-cultural issues and the other on more personal and social issues.

You have 65 minutes in total, with approximately 30 minutes available for each writing task.

The assessment focuses broadly on:

• the quality and development of your ideas;
• how effectively those ideas respond to the task;
• the organisation and structure of your response; and
• the effectiveness and fluency of your language.

The aim is not to test whether your personal opinion is "correct". Instead, your writing needs to demonstrate thoughtful reasoning and communicate your ideas effectively.

Reasoning in Humanities and Social Sciences

This section contains 62 multiple-choice questions completed in 100 minutes.

The materials may include personal, imaginative, expository and argumentative writing, as well as information presented visually or in tables. Topics can cover academic, social, cultural, personal and interpersonal issues.

The section assesses skills such as:

• understanding explicit and implied meanings;
• interpreting arguments and ideas;
• connecting and extending concepts;
• drawing reasonable conclusions; and
• making critical judgments based on the information provided.

It is therefore less about memorising facts from humanities subjects and more about how effectively you can interpret and reason from unfamiliar material.

Reasoning in Biological and Physical Sciences

This is the longest part of the GAMSAT, with 75 multiple-choice questions in 150 minutes.

According to ACER's 2026 information, the questions are drawn from three science areas in approximately the following proportions:

• Chemistry: 40%
• Biology: 40%
• Physics: 20%

Questions may use text, mathematical information, graphs, tables and diagrams as stimuli. Candidates are expected to analyse data, identify relationships, apply scientific concepts and solve problems rather than rely entirely on factual recall.

ACER states that the assumed knowledge generally corresponds to approximately first-year university biology and chemistry and Year 12/A-level-equivalent physics. However, the section primarily focuses on problem-solving and applying that prerequisite knowledge.

This distinction is important. Knowing scientific content provides the foundation, but success also depends on being able to use that knowledge when the question presents an unfamiliar experiment, graph or scientific scenario.

How Is the GAMSAT Scored?

You receive a score for each of the three GAMSAT sections as well as an overall GAMSAT score.

Each score is reported on a scale from 0 to 100, but these numbers are not percentage marks. ACER uses scaled scores so that performance can be compared across different versions and sittings of the test.

For ACER's overall GAMSAT score, the Biological and Physical Sciences section receives double weighting:

Overall Score = (Humanities and Social Sciences + Written Communication + 2 × Biological and Physical Sciences) ÷ 4

Because ACER calculates the score using unrounded section results before producing the final rounded scores, candidates may not be able to reproduce their exact overall score simply by applying the formula to the numbers shown on their results statement.

What Does Your GAMSAT Percentile Mean?

Your results are also accompanied by an approximate percentile ranking for your overall score. This helps you understand how your performance compares with other candidates from the same GAMSAT sitting.

However, the percentile itself is not the main score universities use. ACER states that universities consider candidates' section and overall scores, while individual institutions determine their own admissions cut-offs and may use GAMSAT results differently.

For this reason, there is no single GAMSAT score that guarantees admission across every medical school.

Can Students Take the GAMSAT in Singapore?

Yes.

For the 2026 cycle, ACER lists Singapore as a test-centre location for the Humanities and Biological and Physical Sciences components.

The Written Communication component is completed separately through remote proctoring. Candidates in Singapore therefore do not currently need to travel overseas simply to complete the standard GAMSAT sitting, although test-centre availability and arrangements should always be checked when registering.

This is particularly relevant for students considering Duke-NUS. The school's current MD admissions requirements accept GAMSAT results, and applicants must also satisfy its degree and wider admissions requirements.

How Often Can You Take the GAMSAT?

GAMSAT is normally offered twice per year, in March and September.

ACER does not impose a limit on the number of times an eligible candidate may sit the test. However, candidates can only complete one registration per person in each GAMSAT cycle.

Whether you need another sitting will depend on your score, application timeline and the requirements of the universities you intend to apply to.

How Long Are GAMSAT Scores Valid?

Score validity depends on where you are applying.

Under ACER's 2026 guidance, GAMSAT results can generally be used for up to four consecutive years for Australian applications and two consecutive years for UK and Irish applications.However, some institutions may have different validity policies. For example, Ulster University accepts GAMSAT results valid for up to four years.

For Duke-NUS, GAMSAT results are valid for up to two years as at the application deadline.

Duke-NUS currently states that it accepts GAMSAT results that are valid for up to two years as at the application deadline. Applicants should check the accepted test sittings for their intended application cycle before registering.

This is one reason why it is useful to plan your test date around your intended application cycle rather than taking the GAMSAT without first checking when your target programmes will accept the result.

Common Questions About the GAMSAT

Is the GAMSAT only for students in Australia?

No. Although the test was developed in Australia and is widely used for Australian graduate-entry programmes, GAMSAT scores are also used by relevant programmes in other countries. Singapore students may also encounter the test when applying to Duke-NUS.

Is GAMSAT a science test?

Not entirely.

Science is important, particularly in the Biological and Physical Sciences section, but the GAMSAT also assesses humanities reasoning, critical thinking and written communication. The exam is designed to evaluate how candidates analyse and apply information rather than scientific recall alone.

Can I sit GAMSAT without a science degree?

Yes. ACER allows candidates from non-science degree backgrounds to sit the test. However, you will still need sufficient knowledge of biology, chemistry and physics to handle the scientific reasoning section effectively.

What is considered a good GAMSAT score?

There is no universal score that guarantees admission. Universities set their own thresholds and may change them between admissions cycles. Some may also consider individual section scores in addition to the overall score.

The most useful benchmark is therefore the current admissions criteria and recent published information from the specific programme you intend to apply to, rather than a single generic "good score".

Is there a limit to how many times I can take the GAMSAT?

No. ACER currently states that there is no limit on the number of times an eligible person may sit GAMSAT, although you can only register once per test cycle.

What Should You Do Before Registering for the GAMSAT?

Before booking the exam, identify the universities and programmes you are actually considering and check:

• whether they use or require GAMSAT;
• their academic eligibility requirements;
• which test sittings are valid for your application year;
• how long they accept GAMSAT results for; and
• whether they apply minimum overall or section scores.

This prevents you from preparing for an admissions test without first confirming that it fits your intended application route.

Once you know that the GAMSAT is relevant, you can then move on to understanding your starting level and building a structured preparation plan around the three sections.

How Can Icon Support Your GAMSAT Preparation?

GAMSAT preparation requires a combination of scientific reasoning, critical thinking, written communication and effective time management.

Icon Education's GAMSAT preparation programme offers diagnostic assessment, personalised coaching, strategic test preparation and progress tracking, allowing students to focus their preparation on their individual strengths, weaknesses and target programmes.

For students in Singapore who are considering Duke-NUS or graduate-entry Medicine overseas, structured preparation can also help connect your test strategy with your wider university application timeline.