HAST preparation strategies: a four-phase study plan

The HAST rewards methodical preparation over six to twelve months rather than a short burst of cramming. Braintree Coaching Australia structures HAST preparation as four phases, each with clear success markers, so a child moves on when they are ready rather than when the calendar runs out. This page sets out that four-phase plan, the weekly hours to budget for, and the techniques that work best in each component — see our HAST exam preparation programme for the corresponding classroom course, and our HAST test format guide for the section-by-section structure of the paper.

When should we start preparing for the HAST?

Plan to start six to twelve months before the test. The HAST is an ACER cognitive ability test administered directly by each participating school, so the sitting date varies between schools — confirm your target school's date early, because it fixes the calendar for the whole plan. The lead time then depends on the child's current school performance. As a guide:

Current school performance	Recommended lead time	Weekly study commitment	Focus
Consistently top 10%	6 months	4 hours	Refining technique and pace across each component.
Consistently top 20–30%	9–12 months	5 hours	Building vocabulary, reasoning patterns and writing sophistication.
Middle of the year group	12+ months	6 hours	Foundational skill-building, extended practice and gradual difficulty progression.

Spread practice across the week. A child who studies for six hours on a Saturday will retain less than one who studies for an hour on six days. Aim for 30–60 minutes most weeknights and a longer block on the weekend for a timed sectional or full mock paper.

What does each preparation phase cover?

The plan moves through four phases that map to the four HAST components — reading comprehension, mathematical reasoning, abstract reasoning and written expression. Each phase ends when the child reaches the success markers below, so a student who is ahead can move on and a student who is behind can hold position and consolidate.

1. Diagnostic and foundation (months 1–2). Sit a full-length, timed diagnostic paper in week one. Mark it carefully and identify the weakest components, then design the early weeks around closing those gaps. Build a daily routine across reading comprehension, mathematical reasoning, abstract reasoning and short writing tasks. Begin systematic vocabulary building (15–20 new words a day), review fundamental mathematics concepts, and make sure the child is comfortable with the test format and on-paper instructions.
2. Skill development (months 3–8). Increase the difficulty of practice and start tracking time per question. Targets: confident handling of multi-step word problems, fluent recognition of the major abstract reasoning patterns (rotation, reflection, size, shading, sequence), a steadily widening vocabulary, and a planned written-expression task that reads clearly under time. Complete two to three timed practice tests each week and review each one carefully — the value sits in the review, not the score.
3. Mastery and test simulation (months 9–11). Move into weekly full-length mock papers under real test conditions: timed, scored, uninterrupted. Refine time management across each component, practise leaving a hard question and moving on, and review all components systematically. By the end of this phase, the child should be finishing each section with a few minutes to spare and recognising abstract reasoning patterns on sight.
4. Final-month tapering and test-day readiness. In the last four weeks, taper rather than cram. Sit one or two full-length papers in the first fortnight, then reduce to light vocabulary, mental-math and reasoning review. In test week, introduce no new material — focus on sleep, nutrition and test-day logistics (route, permitted materials, water bottle). The goal is to arrive rested and confident, not to learn anything new.

How should the week be structured?

A productive week balances skill work, timed practice and review. A typical phase-two schedule looks like this:

• Monday — abstract reasoning practice (30 minutes), naming each pattern type before scanning the options.
• Tuesday — reading comprehension, two timed passages with full question sets followed by mistake review.
• Wednesday — mathematical reasoning, 45 minutes focused on the weakest strand identified in the diagnostic.
• Thursday — mixed reasoning and mental-math drills under time pressure, with one short reading passage at the end.
• Friday — a timed write against a HAST-style prompt, followed by self-assessment.
• Saturday — one full-length sectional or mock paper, sat in real conditions.
• Sunday — review of the week's mistakes and patterns; light vocabulary refresh.

Adjust the volume to suit the phase: shorter sessions in phase one, longer sessions in phase three. Keep one day each week genuinely off — fatigue accumulates over a year, and a tired child loses marks they would otherwise hold. Our HAST practice tests and resources page lists the materials we draw on for each session.

What strategies work best in each HAST component?

Abstract reasoning. Abstract reasoning measures pattern recognition and logical thinking without relying on language or prior knowledge. Identify the pattern type first — rotation, reflection, progression or a combination — and check each item against five attributes in turn: size, shape, shading, position and number. Eliminate the obviously wrong options before testing the rest against the rule, and use process of elimination when the rule is not immediately visible. Aim for roughly 30 seconds per question and skip rather than guess if the rule has not surfaced.

Reading comprehension. Reading comprehension measures the ability to understand, interpret and draw inferences from written passages. Read the questions before the passage, then read the passage with the questions in mind. Return to the text to verify every answer — never rely on memory for inference questions, where the test rewards specific textual evidence over plausible interpretation. Use context clues to work out unfamiliar words, and eliminate options containing absolute words ("always", "never", "only") that the passage does not directly support.

Mathematical reasoning. Mathematical reasoning measures problem-solving and quantitative thinking rather than memorised procedures. Draw a diagram for every geometry and word problem, and sanity-check the answer against what the question actually asks (perimeter versus area, minutes versus hours, units). Build mental-math speed so simple calculations do not eat into time, and work backwards from the answer choices when that is faster than algebra. For number sequences, find the differences between consecutive terms, then the differences of those differences.

Written expression. Written expression measures the ability to organise ideas and write clearly within a time limit. Split the time into planning, writing and editing — a planned piece almost always beats an unplanned one, which tends to lose marks for structure and conclusion. Vary sentence structures, avoid stock openings, and keep a working list of stronger verbs and connectives. See our HAST test format guide for the length and timing of the writing task at each level.

What are the most common mistakes to avoid?

A handful of mistakes recur across every cohort we prepare. They cost marks in any single component, and they compound across the whole paper:

• Focusing on one component only. Balance practice across all components. Weak areas need more attention, but neglecting a strength lets it slip.
• Not practising under time pressure. Always practise with a timer — time management is decisive on the HAST, and an untimed student often runs out of time on the day.
• Skipping mistake analysis. Spend time understanding why a question was wrong. Patterns in mistakes reveal gaps that the score alone hides.
• Leaping to the answer in abstract reasoning before naming the rule. A student who names the change ("rotation by 90 degrees, then a shading swap") before scanning the options is markedly more accurate.
• Cramming at the last minute. Start early and practise consistently. Last-minute cramming is ineffective for a cognitive ability test, where the skills build slowly over months.

Build mistake review into the routine. After every sectional or mock paper, write the type of mistake (not just the question) into a running list. Patterns become visible quickly and the same mistake stops recurring.

How can parents support HAST preparation?

Parents support HAST preparation best by providing structure and encouragement rather than pressure. A consistent routine in a quiet, distraction-free space matters more than long hours. Track improvement and celebrate small wins; praise effort and dedication, not just high scores. Encourage steady practice while protecting rest, play and family time. Because the HAST reports results against a high-ability cohort rather than the general population, a child can be performing well and still see a modest percentile — read our HAST test format guide for how scores are reported.

What does this mean for preparation?

A six- to twelve-month plan rewards consistency over intensity. Hold the weekly schedule, review every mock paper carefully, and protect sleep in the final fortnight. Pair this plan with our HAST practice tests and resources for the materials we use in class, and confirm your target school's sitting date with the school before you set the calendar — the HAST is built by ACER but administered by each school.