NSW Selective Test Prep — Online Practice, Writing & Weekly Plans (2027 Entry)

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group iconWho this is for: Parents looking for a complete online preparation pathway for the NSW Selective High School Placement Test.

Key facts (TL;DR)

  • The selective test has four equally weighted components: Reading, Mathematical Reasoning, Thinking Skills and Writing.
  • Preparation needs to be broader than OC: students need multiple-choice reasoning practice plus regular writing practice.
  • Digital familiarity matters: students sit the placement test on computers provided by the department.
  • The best preparation loop is simple: diagnose, practise, review, target weak areas, and build stamina over time.
  • Writing should start early: small regular planning and paragraph sessions are usually better than last-minute full essays only.

1. What selective preparation needs to include

Selective preparation is not just a harder version of OC preparation. It needs to cover all four components, build test stamina, and introduce writing as a regular skill rather than a final add-on.

  • Targeted practice for Reading, Mathematical Reasoning and Thinking Skills.
  • Writing prompts and feedback so students learn how to plan, structure and improve responses.
  • Timed digital practice so the real test format feels familiar.
  • Review and explanation so mistakes become useful data, not just a score.
  • Parent visibility into strengths, gaps and what to do next.

2. The four test sections

The NSW Selective High School Placement Test includes Reading, Mathematical Reasoning, Thinking Skills and Writing. Each section is weighted at 25%.

SectionFormatWhat practice should build
Reading17 questions, including multi-part questions, 45 minutesScreen reading, inference, evidence and careful comparison
Mathematical Reasoning35 multiple-choice questions, 40 minutesReasoning with Year 6-level maths, speed and accuracy
Thinking Skills40 multiple-choice questions, 40 minutesLogic, problem-solving, argument analysis and pattern recognition
Writing1 open response, 30 minutesPlanning, structure, audience, purpose and controlled language

3. Why digital practice matters

Students sit the placement test on computers, so practice should not only teach content. It should help children become comfortable reading passages on screen, managing a timer, choosing answers carefully, using working paper, and keeping their place across longer sections.

Paper practice can still help, especially for writing planning and maths working. But if a child only practises on paper, the real digital test can feel more tiring and unfamiliar than it needs to.

4. A sensible weekly pathway

A good selective routine balances consistency with rest. Most students do better with a mix of short targeted sessions, writing practice and occasional longer test simulations.

  • Early stage: diagnostics, light practice, reading habits and writing foundations.
  • Core stage: regular mini-tests, section tests, weekly writing and structured review.
  • Final stage: targeted weak-area practice, full simulations, writing under time, and test-day logistics.

5. Why use OC Test Prep for selective

OC Test Prep was built for realistic NSW placement-test preparation: timed digital practice, clear explanations, analytics and parent-friendly weekly plans. The selective pathway builds on that foundation and adds the missing selective-specific layer: Writing.

The goal is not to overwhelm students with endless questions. The goal is to make each practice session useful: what did your child find hard, why did they miss it, and what should they do next?

FAQs

  • Is selective preparation different from OC preparation?
    Yes. Reading, Mathematical Reasoning and Thinking Skills carry over, but selective also includes Writing and requires longer test-day stamina.
  • Can my child prepare online for selective?
    Yes, especially for digital test familiarity. Students should still use paper for maths working and writing planning, but online practice is important because the test itself is computer-based.
  • When should writing practice start?
    Writing should start early in small pieces: planning, openings, paragraphs and short responses before full timed tasks become the focus.
  • Do students need to learn extra maths outside school?
    The Department says maths concepts are based on what students already learn at school, but selective questions ask students to apply those concepts in unfamiliar problem-solving contexts.
  • Should we start with a diagnostic?
    Yes. A diagnostic gives a baseline across sections and prevents families from guessing where time should be spent.

How OC Test Prep helps

  • Selective diagnostics to establish a baseline across key sections.
  • Timed digital practice that builds format familiarity and stamina.
  • Writing guidance through prompts, planning support and improvement routines.
  • Analytics and weekly plans so parents can see what to practise next.

Related guides & next steps

If this page helped, here's where to go next.

Sources & acknowledgements

Editorial standards

We align our guidance with NSW Department of Education information and official placement-test resources. Content is reviewed for accuracy, updated when test information changes, and written for NSW families preparing for selective high school entry. Questions? Contact us.

Authorship

Author: Mina Radhakrishnan — Founder, OC Test Prep; Cornell University (BA Computer Science). University of Toronto Schools (UTSD, OSSD).

Goldman Sachs IB Technology; Google Product Manager; Uber Employee #20 & first Head of Product; former founder/CEO of :Different; advisor and product mentor to leading venture firms and startups. Sat the PSAT, SAT and GMAT with top-tier scores. NSW parent of 2.

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