NSW Selective Schools 50/50 Gender Balance Rule: What It Means for 2027 Entry

If your child is applying for selective school entry in 2027, there is an important change you need to know about. The NSW Government has introduced a 50/50 gender balance rule for all coeducational selective high schools, partially selective high schools, and opportunity classes in public primary schools.

This is the biggest structural change to selective school admissions in years. Here is what it means, how it works, and what parents should consider.

What Changed?

Starting from the 2027 intake, an equal number of selective school places will be made available for girls and boys at every coeducational selective and partially selective high school in NSW. The same rule applies to opportunity classes.

The change was announced by Acting Minister for Education Courtney Houssos in October 2025, ahead of applications opening on 6 November 2025.

Single-sex selective schools (such as Sydney Girls High School and North Sydney Boys High School) are not affected by this change, as they already admit only one gender.

Why Was It Introduced?

The gender imbalance in selective schools has been growing worse over time:

Selective high schools are currently 58% boys and 42% girls
Opportunity classes are 60% boys and 40% girls
The share of girls taking Year 7 selective places dropped from 45% in 2019 to just 41% in 2025
Some cohorts at individual schools are more than 75% male

The government wants to ensure that high-performing girls have equal access to these opportunities, given that girls and boys perform at similar levels across primary school academics.

How Does It Actually Work?

This is the part that matters most. Entry remains fully merit-based — the placement test does not change, and there are no bonus points or adjustments for either gender.

Here is the mechanism:

Available places at each coeducational selective school are split equally between boys and girls
For example, if a school has 120 places: 60 go to the highest-scoring boys, and 60 go to the highest-scoring girls
If there is an odd number of places (say 15 in an opportunity class), 7 go to boys, 7 go to girls, and the remaining 1 is filled on pure merit regardless of gender
If places for one gender go unfilled at a particular school (not enough qualifying applicants), those unfilled places are offered to students of the opposite gender based on test performance

So the test still determines everything — the change is that boys and girls are now effectively competing within their own gender pool for each school's places.

What Does This Mean for Your Child?

For girls

This is broadly positive. Girls who score well will now have a clearer pathway into selective schools where they might previously have been edged out by the sheer volume of male applicants. Schools that were trending 70–75% male will become more balanced, which also improves the learning environment.

For boys

Competition for boys' places will be slightly more intense at some schools, since boys now fill only half the places rather than the majority. However, this only materially affects schools that previously had a significant gender skew. At schools that were already close to balanced, the impact is minimal.

For all families

The test preparation itself does not change at all. The test format, content areas (reading, mathematical reasoning, thinking skills, and writing), and scoring approach are identical. What changes is purely the allocation of places at each school.

Other Changes for 2027 Entry

The 50/50 rule is not the only change. There are a couple of other updates worth noting:

Testing is now NSW-only: From 2026, the placement test is only held in NSW. Overseas testing centres have been discontinued.
Smaller testing centres: The Department of Education is now directly overseeing test logistics, with smaller and more controlled testing environments.

Should This Change Your Preparation Strategy?

No. The test itself is unchanged, and the best preparation strategy remains the same: consistent, structured practice across all four test components — reading, maths, thinking skills, and writing.

What might change is your preference strategy. If your daughter was previously unlikely to get a place at a heavily male-skewed school, the 50/50 rule could make that school a more realistic option. Conversely, if your son was counting on a particular school where boys previously dominated placements, it is worth considering whether the increased competition within the boys' pool changes your preference order.

Either way, the strongest position your child can be in is to achieve the highest possible score — and that comes down to preparation.

Start Practising Now

Whether the 50/50 rule helps or challenges your child's chances, the path forward is the same: practise consistently, identify weak areas early, and build confidence across all test components.

Selective Tutor provides unlimited, adaptive practice across thinking skills, mathematical reasoning, and reading — the three multiple-choice components that make up 75% of the placement test. Every question includes a detailed explanation, so your child learns from mistakes rather than just repeating them.