How Are Selective Entry Results Calculated? SEHS Scoring Explained

One of the most common questions parents ask after the Victorian selective entry exam is: how are selective entry results calculated? The process is not as straightforward as adding up correct answers. ACER uses standardised scoring, statistical scaling, and a competitive ranking system that can be confusing if you have never encountered it before.

This guide explains the entire process - from how raw scores are generated to how schools use those results to decide who receives an offer. Understanding the scoring system helps you make better decisions about preparation and set realistic expectations.

The exam structure at a glance

The SEHS exam is administered by ACER (the Australian Council for Educational Research) and is used by all four Victorian selective entry high schools: Melbourne High School, Mac.Robertson Girls' High School, Nossal High School, and Suzanne Cory High School.

All questions in Sections 1 and 2 are multiple choice. Section 3 requires written responses that are marked by trained assessors. Each section contributes to the overall result, though the exact weighting is not publicly disclosed by ACER.

Raw scores - what they are and what they are not

When your child completes the exam, their initial result is a raw score - simply the number of questions answered correctly. In the multiple-choice sections, each correct answer earns one mark. There is no partial credit and, importantly, there is no penalty for wrong answers.

However, raw scores alone do not determine selective entry results. A raw score of 45 out of 60 on one year's exam might be equivalent to 42 out of 60 on another year's exam if the questions were harder. This is why ACER standardises the results before schools use them for selection.

How ACER standardises the selective entry results

Standardisation is the process of adjusting raw scores to account for differences in exam difficulty from year to year. ACER uses well-established statistical methods to place all students on a common scale, regardless of which specific version of the test they sat.

The standardisation process involves several steps:

1. Item analysis: ACER analyses how each individual question performed - which questions were harder, which were easier, and whether any questions behaved unexpectedly.
2. Scaling: Raw scores are converted to scaled scores using a statistical model. This adjusts for question difficulty so that students who sat a harder paper are not disadvantaged compared to those who sat an easier one.
3. Norming: Scaled scores are placed on a distribution relative to the entire cohort. This means your child's result reflects how they performed compared to every other student who sat the exam.

The key takeaway is that selective entry scaled scores are relative, not absolute. A score is meaningful only in the context of the cohort. This is why it is impossible to predict a "passing score" in advance.

Selective entry scaled scores explained

After standardisation, each student receives a scaled score for each section of the exam. These section scores are then combined into an overall composite score. The composite score is the number that schools use to rank applicants.

ACER does not publicly disclose the exact formula for combining section scores into the composite. It is widely understood that all three sections contribute meaningfully - strong performance in one area cannot fully compensate for a very weak performance in another.

How schools rank and select students

Once ACER has calculated the scaled composite scores, the results are provided to the four selective entry schools. Each school then uses the scores to rank applicants and make offers.

The process works like this:

1. Students nominate preferences. When registering for the exam, students indicate which selective entry schools they wish to be considered for. They can nominate more than one.
2. Schools rank by score. Each school ranks all applicants who nominated it, from highest composite score to lowest.
3. Offers are made in order. The top-ranked students receive offers first. If a student receives offers from multiple schools, they accept one, and the declined spots flow to the next students in line.
4. Multiple rounds. The offer process typically runs in multiple rounds. First-round offers go out, students accept or decline, and further rounds fill remaining places.

This competitive ranking system means there is no fixed cutoff score. The required score to receive an offer depends entirely on how many students applied, how many places are available, and how well the cohort performed overall.

No negative marking - attempt every question

This is one of the most important things to understand about how selective entry results are calculated. The ACER exam does not use negative marking. A wrong answer scores zero - exactly the same as a blank answer. There is no penalty for guessing.

This means your child should attempt every question, even if they are running out of time. A guessed answer has a chance of being correct (typically 1 in 4 or 1 in 5 for multiple choice). A blank answer has zero chance. In a competitive exam where one mark can be the difference between an offer and a waitlist, this strategy matters.

Teach your child to mark any difficult questions they want to return to, work through the rest of the paper, and then come back to the hard ones. If time runs out, fill in a best guess for any unanswered questions.

How the writing section is scored

Writing is scored differently from the multiple-choice sections. Each writing task is assessed by trained markers using a rubric that evaluates several criteria, including:

• Ideas and content development
• Structure and organisation
• Vocabulary and word choice
• Sentence structure and variety
• Persuasive techniques (for the persuasive task) or narrative craft (for the narrative task)
• Spelling, grammar and conventions

Each piece of writing is typically marked by multiple assessors to ensure consistency. The scores are then standardised along with the multiple-choice sections to produce the composite result.

Because writing is marked by humans using subjective criteria, it is the hardest section to prepare for without feedback. Practising essays without having them evaluated is like practising in the dark. The SK Writing Lab evaluates writing against selective entry criteria so students can see exactly where they need to improve.

What score is needed to get into a selective entry school?

This is the question every parent wants answered, and unfortunately there is no fixed number. Selective entry is a competitive process - not a pass/fail test. The "cutoff" changes every year based on the applicant pool.

What we do know:

• Number of applicants: Thousands of students sit the exam each year for a limited number of places.
• Number of places: Each school has a fixed intake. Melbourne High and Mac.Robertson each take approximately 225 Year 9 students. Nossal and Suzanne Cory have similar intakes.
• Competition level: Successful applicants generally perform in the top 5-10% of all test-takers, though this varies by school and year.
• No published cutoffs: ACER and the schools do not publish minimum score requirements or historical cutoff data.

Rather than chasing a specific score, the most effective strategy is to maximise performance across all sections. A strong, balanced result across maths, verbal reasoning, reading, and writing gives your child the best chance - regardless of where the cutoff falls in any given year.

How to use this knowledge in your child's preparation

Understanding how selective entry results are calculated should shape your preparation strategy in several practical ways:

1. Prepare for all sections equally

Since all sections contribute to the composite score, neglecting any one area is risky. Many families focus heavily on maths because it feels most "teachable," but the reading, verbal reasoning and writing sections carry just as much weight. Use the free diagnostic test to identify which sections need the most attention.

2. Practise under timed conditions

Because every mark counts in a competitive ranking, exam technique is as important as knowledge. Timed mock tests build the stamina and time management skills that students need to perform at their best under pressure.

3. Never leave a question blank

With no negative marking, every unanswered question is a wasted opportunity. Drill this into your child's exam strategy.

4. Get writing feedback early

Writing is the section where most students have the biggest gap between their actual level and their potential. Regular practice with structured feedback can produce significant improvement in a relatively short time.

5. Focus on consistency, not perfection

A student who scores well across all sections will outperform a student who scores brilliantly in one section but poorly in another. Balanced preparation is the winning strategy.

Practice resources on SK Edge Prep

• Free SK Diagnostic - 50 questions across all exam sections. See where your child stands before you start preparing.
• SK Mock Tests - Full-length timed exams under real conditions. Build exam stamina and time management.
• SK Writing Lab - AI-powered writing evaluation against selective entry criteria with detailed feedback.
• Score Calculator Blog Post - More detail on how to estimate where your child might sit in the cohort.

Frequently asked questions

Recommended tools: SK FREE Diagnostic Test SK Mock Tests Score Calculator