NSW Selective School Writing Test: How to Score in the Top 10%

The NSW Selective School Writing Test is worth 25% of your total score. One in four marks comes down to how well you write in 20 minutes. That's not a small deal — that's the difference between getting into your first-choice school or your backup.

Here's the thing: most students know the basics. They know to write neatly, use paragraphs, and check their spelling. But the top 10% do something different. They know exactly what the markers are looking for — and they deliver it with precision.

This guide will show you how to do the same.

The 7 Marking Criteria (Know These Cold)

Every piece of writing in the NSW Selective exam is marked against 7 criteria. Memorise them:

Notice that Content, Form & Structure, Organising Ideas, and Sentences are each worth 4 marks — these are your biggest levers. Style & Vocabulary, Spelling & Grammar, and Punctuation are worth 3 each. You need to perform across all seven, but if you're going to over-invest anywhere, invest in the 4-mark categories.

What "Top 10%" Writing Actually Looks Like

You can't score in the top 10% by doing what everyone else does. Here's what separates standout writing from solid-but-average writing:

Fresh, specific ideas. Average writers reach for the first thing that comes to mind. A prompt about "change" gets a story about moving schools. A persuasive prompt about technology gets "technology is good but also bad." Top scorers pause, resist the obvious, and find an angle that surprises. A noteworthy opening. The marker reads hundreds of pieces. Your first sentence needs to earn their attention. Not "In this story, I will write about..." — that's a guaranteed mid-range score. More on openings below. Varied sentence structures. Short sentence. Then a longer, more complex one that builds tension and layers in detail. Then a fragment. Then a question? Top writers control rhythm. They vary length and structure deliberately. Purposeful vocabulary. Not words chosen to sound impressive — words chosen because they're precise. "Sprinted" instead of "ran fast." "Reluctant" instead of "didn't want to." Every word doing work.

3 Techniques That Separate Top Scorers From Average

1. Subvert the Obvious Approach

When you read a prompt, your brain immediately produces a default response. That default is usually what every other student writes. Before you start writing, ask yourself: what's the unexpected angle here?

A prompt with a picture of an empty park bench might inspire most students to write a sad story about loneliness. A top scorer might write about the moment before someone finally sits down — the courage it takes. Or the perspective of the bench itself. Or a persuasive piece about why public spaces matter for mental health.

The unexpected angle shows Content & Relevant Details markers that you think independently.

2. Use a Specific Concrete Image, Not a Generic One

Vague writing loses marks. Compare:

"It was a beautiful day and everything felt different."

vs.

"The bottlebrush outside the window had finally bloomed — red and ridiculous and somehow perfect for today."

The second version places you in a moment. It's specific. It's visual. It makes the marker feel something. Specific details are the engine of high-scoring content.

Before you write, decide on one specific image, object, or moment that will anchor your piece. A rusted letterbox. A particular smell. The sound of shoes on tiles. Build from there.

3. Control Your Ending to Echo the Opening

Top-scoring pieces feel complete. The reader reaches the last line and senses that something has come full circle. This is called structural echo — your ending connects back to your opening.

If your piece opens with someone clutching a crumpled letter, end with them letting it go — or folding it carefully into their pocket. If your persuasive essay opens with a statistic about screen time, circle back to that number in your conclusion with new meaning.

This technique scores heavily in both Form & Structure and Organising Ideas. And it's not hard — you just plan it before you write.

Common Mistakes That Drop You From the Top Tier

Even strong writers lose marks to these:

A slow or clichéd opening. "Once upon a time..." or "It was a dark and stormy night..." tells the marker you're not taking creative risks. Your first line needs to do something. Overloading vocabulary. Students sometimes stuff in impressive-sounding words to hit the Style & Vocabulary marks, but this backfires. If a word doesn't belong, the marker notices. One perfect word beats three try-hard ones. No planning. The students who skip planning spend 20 minutes writing themselves into a corner. Five minutes of planning saves you from a weak middle and a rushed ending. Running out of time on the ending. This is painful. You've written a great opening, a strong middle — and then the ending is two rushed sentences because the clock ran out. Plan your ending before you write. Know where you're going. Ignoring punctuation under pressure. Under exam conditions, punctuation often suffers. Commas disappear. Sentences that should end keep going. Apostrophes vanish. These are 3 marks you can protect without any creative talent — just discipline.

The 20-Minute Plan

Here's how to structure your time:

• 0–5 min: Read the prompt twice, plan your structure, decide your angle and ending
• 5–18 min: Write, staying true to your plan
• 18–20 min: Proofread — check punctuation, fix any obvious errors

Two minutes of proofreading can recover marks in Spelling & Grammar and Punctuation without any extra writing ability.

Start Practising Under Timed Conditions

Reading about technique is one thing. Building the habit under exam pressure is another. The best preparation is writing regularly with a timer running and getting specific, rubric-aligned feedback on what's working and what's not.

At kidswriting.ai, you can practise timed writing and get AI-powered marking against the NSW Selective rubric — the same 7 criteria, with detailed feedback on each one. You'll see exactly which criteria you're losing marks on, and what to fix.

Top 10% writing is a skill. Skills are built with deliberate practice. Start now.