If the OC test is the first competitive academic milestone for NSW students, the Selective High School Placement Test is the second — and arguably the more consequential one. It determines access to some of the most academically prestigious public high schools in Australia.
This guide covers what parents need to know about the Selective High School test for students seeking Year 7 entry in 2028 (test taken in 2027), including the exam format, school options, competition levels, and preparation strategies.
What Is the Selective High School Test?
The Selective High School Placement Test is a state-wide exam for Year 6 students in NSW who want to secure a place at one of the state's fully selective or partially selective public high schools for Year 7.
Selective high schools offer accelerated academic programs with students who have demonstrated strong academic potential. Like OC classes, selective schools are part of the NSW public education system — they're free to attend.
The test is administered by the NSW Department of Education and has undergone significant changes in recent years, moving from the traditional pen-and-paper format to a computer-based assessment.
Key Dates for 2027
The exact dates for the 2027 Selective High School test are typically announced in mid-2026. Based on recent years' patterns:
- Registration: Usually opens around July–August of Year 6 (mid-2027 for 2028 entry)
- Test date: Typically held in March of Year 6
- Results released: Usually May–June, approximately 6-8 weeks after the test
- Acceptance deadline: Families typically have 2-3 weeks to accept or decline offers
Parents should monitor the NSW Education website for official date announcements, as these can vary from year to year.
Exam Format
The Selective High School test has evolved significantly. The current format covers four components:
1. Reading
Tests comprehension, interpretation, and analytical reading skills. Students read passages of varying complexity and answer questions that range from literal understanding to inference and evaluation.
Similar in nature to the OC Reading test but at a Year 6 level, with longer passages and more sophisticated question types.
2. Mathematical Reasoning
Assesses problem-solving ability, numerical reasoning, and mathematical thinking. Questions go well beyond the standard Year 6 curriculum and require students to apply mathematical concepts in unfamiliar contexts.
3. Thinking Skills
Tests cognitive abilities including pattern recognition, spatial reasoning, logical deduction, and abstract thinking. This section has the strongest overlap with the OC Thinking Skills test, though at a more advanced level.
4. Writing
This is a significant addition compared to the OC test, which has no writing component. Students produce a written response to a prompt under timed conditions. The writing is assessed on criteria including ideas, structure, vocabulary, and accuracy.
The inclusion of writing means that students who excel at multiple-choice tests but struggle with written expression face an additional challenge compared to the OC test.
How Competitive Is It?
The Selective High School test is among the most competitive exams in Australian public education.
Key statistics:
- Approximately 15,000+ students sit the test each year
- There are roughly 4,200 Year 7 places available across all fully and partially selective schools
- The overall acceptance rate is about 28% among those who sit the test — better than the OC test's ~14%, but the applicant pool is arguably stronger (many are already in OC classes or have been preparing for years)
- For the top fully selective schools (Sydney Boys, Sydney Girls, James Ruse, North Sydney Boys, North Sydney Girls), competition is extremely intense with acceptance rates well below 10%
Fully Selective vs. Partially Selective
There are two categories:
Fully selective schools admit all students through the placement test. Every student in the school has been selected based on academic merit. These include the most competitive and well-known schools.
Partially selective schools have some classes filled through the placement test and others through the regular enrolment process. Students in selective streams receive an accelerated curriculum.
Top Selective High Schools
While a complete ranking is beyond the scope of this guide, certain schools are consistently recognised as the most competitive:
Top Fully Selective Schools:
- James Ruse Agricultural High School — consistently ranked #1 in HSC results nationally
- North Sydney Boys High School
- North Sydney Girls High School
- Sydney Boys High School
- Sydney Girls High School
- Baulkham Hills High School
- Hornsby Girls High School
- Normanhurst Boys High School
- Penrith High School
- Girraween High School
These schools typically require scores in the top 5-10% of all test-takers for entry.
Notable Partially Selective Schools:
- Caringbah High School
- Sefton High School
- Merewether High School
- Gosford High School
Partially selective schools vary widely in competitiveness. Some selective streams at partially selective schools are nearly as competitive as fully selective schools in their region.
How the Selective Test Differs from the OC Test
Understanding the differences helps parents plan preparation across both milestones:
| Aspect | OC Test (Year 4) | Selective Test (Year 6) |
|---|---|---|
| Age group | Year 4 students | Year 6 students |
| Placement for | Year 5–6 OC classes | Year 7–12 selective high school |
| Subjects tested | Reading, Maths, Thinking Skills | Reading, Maths, Thinking Skills, Writing |
| Format | Multiple choice | Multiple choice + written response |
| Total places | ~1,840 | ~4,200 |
| Applicants | ~13,000 | ~15,000+ |
| Acceptance rate | ~14% | ~28% (but varies hugely by school) |
| School type | Primary school OC classes | Full high schools (6 years) |
| Impact duration | 2 years (Year 5–6) | 6 years (Year 7–12) |
| Highest stakes school | Beecroft, Matthew Pearce | James Ruse |
The most significant difference beyond content difficulty is the writing component. Students who haven't developed strong written expression skills face a gap that can't be closed with multiple-choice practice alone.
Preparation Strategy
For Current OC Students
Students already in OC classes have a significant advantage. They've been in an accelerated learning environment for 1-2 years, they're accustomed to competitive testing, and many of the core skills (Reading, Maths, Thinking Skills) overlap directly.
However, OC students should not assume the Selective test will be easy. Two key adjustments:
- Writing preparation — Start developing essay writing and persuasive writing skills well before Year 6. This is the component that most OC students haven't practised in a competitive exam context.
- Content depth — The Selective test requires Year 6–level (and sometimes beyond) knowledge, particularly in mathematics. Ensure your child is comfortable with content that may be 1-2 years ahead of the standard curriculum.
For Students Not in OC
Students who didn't attend OC are absolutely not at a disadvantage that can't be overcome — many non-OC students gain selective school places every year. However, preparation should start earlier and be more systematic:
- Familiarise with test format early — Take diagnostic tests to understand the format and identify skill gaps
- Build Thinking Skills from scratch — If your child hasn't encountered Thinking Skills questions before, this area needs dedicated attention
- Develop writing independently — Regular writing practice (even 10 minutes a day of structured writing) builds the skill over time
- Consider external support — Coaching or online platforms can provide structure and realistic practice
General Preparation Timeline
12+ months before the test (start of Year 5 or earlier):
- Begin diagnostic assessments
- Build reading habits (reading challenging material daily)
- Start Thinking Skills exposure
6-12 months before:
- Begin systematic preparation across all four subject areas
- Identify and target weakest areas
- Start regular mock tests (monthly)
3-6 months before:
- Intensify targeted practice
- Regular full-length mock tests under timed conditions
- Focus on writing quality and speed
Final month:
- Review and consolidate
- Practice time management strategies
- Wind down in the final week
Frequently Asked Questions
Can my child prepare for both OC and Selective at the same time?
The OC test happens in Year 4, and the Selective test happens in Year 6, so they're naturally sequential rather than simultaneous. However, skills developed for the OC test (particularly Reading, Maths, and Thinking Skills) directly transfer to Selective test preparation.
Does getting into OC guarantee a place at a selective high school?
No. OC placement and selective school placement are completely separate processes. However, OC students typically perform well on the Selective test because they've had two years of accelerated learning.
How important is the writing component?
Increasingly important. Writing is a genuine differentiator because many academically strong students have underdeveloped written expression skills. Students who can write clearly and persuasively under time pressure gain a meaningful advantage.
Are coaching centres necessary?
Not necessarily. Many students gain selective school places through self-directed preparation with the support of parents, online platforms, and good resources. Coaching centres provide structure and accountability, which some families find valuable, but they're not a requirement.
What if my child doesn't get into a selective school?
There are many excellent comprehensive high schools in NSW. Selective schools are one pathway to strong academic outcomes, but they are far from the only one. Students who miss out on selective placement frequently thrive in other school environments.
Looking Ahead: MockStar for Selective Preparation
MockStar is currently focused on OC test preparation, with plans to expand into Selective High School test practice in the future. The same AI-powered diagnostic approach — breaking performance down by sub-skill and generating targeted practice — will apply to the Selective test format.
In the meantime, the analytical and problem-solving skills your child develops through OC preparation directly serve as a foundation for Selective test readiness.
Start building a strong foundation with OC practice →
Last updated: March 2026. Selective High School test dates and procedures are set by NSW Education and may change. Check the official NSW Education website for the most current information.