🌟 Free for Grades K–8

Build the reasoning skills gifted programmes look for

Brain Booster helps children in Grades K–8 practise the exact question types used in CogAT and SAGES assessments — verbal, quantitative, nonverbal reasoning and more — through short, fun daily sessions parents can track.

CogAT Verbal · Grade 3–4
Book is to Library as Painting is to…
School Museum ✓ Hospital Gallery
⭐⭐⭐⭐⭐  +10 XP earned
Quantitative
2, 4, 8, 16…
32 ✓ 24
SAGES Reasoning
All dogs have 4 legs. Rex is a dog. How many legs does Rex have?
4 ✓ 2
270+
Practice Questions
6
Test Categories
5
Grade Level Bands
K–8
Age Range
Free
Always
Understanding the Tests

What are CogAT and SAGES?

Two of the most widely used assessments for identifying students ready for gifted and talented programmes — and the ones Brain Booster is designed to help your child prepare for.

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CogAT — Cognitive Abilities Test

Grades K–12 · Most widely used gifted programme entry assessment in the US

The Cognitive Abilities Test (CogAT) is a standardised assessment used by schools across the United States to measure how students think, reason, and solve problems. Unlike most school tests, the CogAT does not measure how much your child has memorised. Instead, it evaluates how they approach unfamiliar problems — a powerful predictor of how well they will thrive in advanced academic environments.

Schools administer the CogAT most commonly in Kindergarten through Grade 6, though it is used at all levels up to Grade 12. The results help schools identify which students are ready for gifted and talented programmes, accelerated coursework, or enrichment opportunities that standard classrooms may not provide.

A strong CogAT score typically means performing at or above the 90th percentile nationally. Many competitive gifted programmes require scores at the 95th or 97th percentile. The test is age-normed — your child is compared to other students of the same age nationwide, not just to their own class.

The three CogAT batteries

🔤 Verbal Battery

Tests the ability to reason using words and language. Includes word analogies, verbal classification, and sentence completion. Assesses how well a child understands relationships between concepts.

🔢 Quantitative Battery

Tests mathematical reasoning through number series, equations, and number puzzles. Focuses on logical thinking with numbers rather than memorised arithmetic.

🔷 Nonverbal Battery

Tests visual and spatial reasoning through pattern matrices and shape sequences. Language-fair — no reading required, making it valuable for identifying gifted students from all backgrounds.

Scores are reported as a Standard Age Score (SAS), a percentile rank, and a Stanine. The composite score across all three batteries is the most commonly used figure for gifted programme entry decisions, though individual battery scores can highlight specific strengths worth nurturing.

Importantly, research shows that the CogAT is highly coachable — not because children can memorise answers, but because familiarity with the question types and reasoning strategies significantly reduces test anxiety and helps children show their true potential. Students from households with more exposure to puzzles, analogical thinking, and problem-solving conversations consistently score higher — not because they are more gifted, but because they have had more practice thinking in the ways the test assesses.

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SAGES — Screening Assessment for Gifted Elementary & Middle School Students

Grades K–8 · Norm-referenced gifted screening test for ages 5–14

The SAGES (Screening Assessment for Gifted Elementary and Middle School Students), now in its third edition, is a norm-referenced test used by school psychologists and gifted programme coordinators to identify students who demonstrate exceptional intellectual ability and academic aptitude. It is designed for students between the ages of 5 and 14, spanning Kindergarten through Grade 8.

Unlike the CogAT, the SAGES assesses both reasoning ability and academic achievement within the same assessment. This gives educators two complementary lenses: how capable a child is of thinking independently, and how effectively they are converting that potential into academic knowledge.

The SAGES comes in two versions: SAGES K–3 for younger learners, where questions are read aloud to the student, and SAGES 4–8 for older students who work independently. The questions are read aloud in the K–3 version to remove reading fluency as a barrier, ensuring that even early readers can demonstrate high reasoning ability.

The four SAGES subtests

🧩 Verbal Reasoning

Identifies relationships between pairs of words. Tests analogical thinking and the ability to understand conceptual connections — a key indicator of advanced language processing.

🔷 Nonverbal Reasoning

Solves problems using figures and pictures rather than words. Assesses pattern recognition and spatial reasoning ability independently of language skills.

📖 Language Arts & Social Studies

Measures achievement in literature, writing, and social studies. Assesses how effectively a student has absorbed and retained academic content from their education so far.

🔬 Mathematics & Science

Tests abilities in mathematics and science across all age-appropriate topics. Measures both computational skills and conceptual understanding of scientific principles.

The SAGES provides two domain composites — Reasoning Ability and Academic Ability — plus an overall General Ability score. Schools use these to identify students who demonstrate both the intellectual potential and the academic achievement that gifted programmes require. A General Ability index score of 126 or above on the K–3 version typically places a student in the gifted range.

Why Preparation Matters

Familiarity builds confidence — and confidence changes outcomes

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    Reduces test anxiety

    Children who have seen the question formats before are less likely to be thrown by unfamiliar question types on test day. Familiarity with the structure means they can focus on thinking rather than figuring out what is being asked.

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    Builds genuine reasoning habits

    Practising analogies, number sequences, and pattern recognition trains the brain to approach problems systematically. These are not test tricks — they are transferable thinking skills that help across all subjects.

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    Levels the playing field

    Research consistently shows that children from households with greater exposure to puzzles, books, and problem-solving conversations score higher on reasoning tests — not because they are more gifted, but because they have practised these thinking modes. Brain Booster gives every child that same advantage.

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    Tracks real improvement over time

    The Brain Booster Parent Dashboard shows accuracy trends by category, weekly practice streaks, and which areas are improving fastest — giving parents actionable insight into where to focus.

What the research says

A growing body of research supports the value of structured preparation for reasoning assessments:

"Spatial skills are moderately malleable — training improved performance by almost half a standard deviation, with effects stable at follow-up."

Uttal et al. (2013) — Psychological Bulletin, meta-analysis of 217 studies

"Training incorporating graduated prompting led to meaningful improvement in analogy performance — gifted children showed the largest gains from structured instruction."

Stevenson, Heiser & Resing (2013) — Educational Psychology

"Distributed practice consistently outperforms massed practice — spaced repetition is among the highest-utility study strategies across age groups."

Dunlosky et al. (2013) — Psychological Science in the Public Interest

Read more about the research →

What Brain Booster Offers

Everything a child needs to practise with confidence

Designed for children aged 4–14, with sessions short enough to fit into any routine.

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Grade-matched questions

Each question bank is calibrated for five grade bands from Kindergarten to Grade 8, so your child always practises at exactly the right level of challenge.

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Visual pattern questions

CogAT Nonverbal reasoning is notoriously hard to prepare for. Brain Booster includes shape-sequence, 3×3 matrix, and growing-row pattern questions that mirror real assessment formats.

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Parent progress dashboard

See accuracy by category, 14-day activity charts, accuracy trends over 8 weeks, and personal bests — all in a clear dashboard parents can review in under a minute.

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Read-aloud support

Questions can be read aloud automatically, supporting younger children and students with reading difficulties — matching how the real SAGES K–3 test is administered.

XP and reward system

Children earn stars for correct answers and perfect sessions, which unlock new avatars and accessories — making daily practice something children look forward to rather than dread.

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Works on any device

Brain Booster is a Progressive Web App — it runs in any browser on phone, tablet, or desktop. Save it to the Home Screen for full-screen, offline-capable practice anywhere.

Grade Coverage

Questions written for every level, K through Grade 8

Each grade band has its own calibrated question pool across all six categories, so the difficulty always matches your child's stage.

K
Ages 4–6
Picture-based reasoning · Early word analogies · Basic number patterns · Simple logic
1–2
Ages 6–8
Word relationships · Number sequences · Shape patterns · Deductive reasoning
2–3
Ages 7–9
Vocabulary depth · Fractions · Fibonacci · Literary devices · Earth science
4–5
Ages 9–11
Complex analogies · Algebra · Probability · Rhetoric · Newton's laws
6–8
Ages 11–14
Formal logic · Calculus concepts · De Morgan's law · Literary theory · E = mc²
Getting Started

Up and running in under two minutes

No downloads, no subscriptions. Brain Booster runs entirely in your browser — or save it to your Home Screen for full-screen use.

1

Create a parent account

Sign in with Google or create a free account with your email. Takes 30 seconds.

2

Add your child's profile

Set their name and grade level. Add multiple children — each gets their own private profile.

3

Pick a category and practise

Choose from six test categories. Each session is 5 questions, drawn randomly from the question bank for that grade.

4

Review progress together

The Parent Dashboard shows accuracy trends, streaks, and insights — ideal for a quick weekly review with your child.

Why Brain Booster

Built on research. Designed for real families.

Brain Booster is a new app. We don't have years of user stories yet — but we do have a clear evidence base, a transparent design philosophy, and a straightforward reason for existing.

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Grounded in cognitive science

The preparation approach Brain Booster uses — short, spaced sessions over weeks rather than cramming — reflects how memory consolidation and skill development actually work. Dunlosky et al.'s landmark 2013 review in Psychological Science in the Public Interest found distributed practice to be among the highest-utility learning strategies across all age groups.

Read the evidence →

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Built to level the playing field

Children from households with more exposure to puzzles, analogy conversations, and reasoning games consistently perform better on tests like the CogAT — not because they're more gifted, but because they've had more practice with these thinking modes. Brain Booster exists to give every child that same advantage, regardless of background.

Our story →

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Honest about what it is

Brain Booster is a new app at launch. We haven't collected years of outcome data — and we won't claim we have. What we can say is that the question types mirror what the CogAT and SAGES actually test, the grade calibration is based on the published assessment frameworks, and the parent dashboard gives you real visibility into where your child is improving and where to focus next.

Get in touch →

The research behind the approach

Spatial skills are trainable

A meta-analysis of 217 studies found spatial training produces moderate, lasting improvements that transfer to new tasks — with effects stable at follow-up testing.

Uttal et al., 2013 — Psychological Bulletin

Analogical reasoning responds to practice

Pronounced age-related improvements in analogical reasoning occur between ages 6 and 10, and training incorporating structured prompting produces meaningful gains even in gifted children.

Green et al., 2018 — Human Brain Mapping

Spaced practice outperforms cramming

Distributed practice — short sessions spread over time — consistently produces more durable learning than the same amount of study concentrated into a single period.

Dunlosky et al., 2013 — Psychological Science in the Public Interest

From the Blog

Guides for parents navigating gifted assessments

Plain-language explanations of CogAT and SAGES — written to help every parent, regardless of how familiar they are with the testing landscape.

View all articles →
Common Questions

Everything parents want to know

What is the difference between CogAT and SAGES?

Both are gifted identification assessments, but they measure slightly different things. The CogAT (Cognitive Abilities Test) focuses purely on reasoning ability across three batteries: verbal, quantitative, and nonverbal. It does not test academic knowledge — only how your child thinks and solves unfamiliar problems.

The SAGES (Screening Assessment for Gifted Elementary and Middle School Students) combines reasoning ability with academic achievement, including language arts, social studies, mathematics, and science. It gives a fuller picture of both a child's potential and what they have learned. Schools use one or both tests depending on their identification criteria.

At what age or grade do children typically take the CogAT?

The CogAT can be administered from Kindergarten through Grade 12, but gifted programme screening most commonly takes place in Grades 1–3. Many school districts use it as a universal screener in Grade 2, meaning all students in that year group are tested. Some districts retest students in Grade 5 to identify those who may have been missed earlier. The exact timing varies by school district — contact your child's school for their specific schedule.

Can practising actually improve my child's CogAT or SAGES score?

Yes — with an important nuance. Practice does not give children answers to memorise. What it does is build familiarity with the reasoning strategies the tests require, reduces anxiety on test day, and helps children work efficiently within the time constraints. Research consistently shows that children who have been exposed to analogy questions, number patterns, and matrix puzzles before the test perform better than those who encounter these question types for the first time under test conditions.

The CogAT itself is described by testing experts as "highly coachable" precisely because familiarity with the cognitive patterns involved is a genuine advantage. Brain Booster is designed to build those patterns over time through short, regular practice rather than intensive last-minute cramming.

How long should my child practise each day?

Short and consistent beats long and sporadic. Each Brain Booster session is 5 questions and takes 3–7 minutes depending on the grade level. One or two sessions per day, three to five days per week, will build reasoning skills steadily without causing fatigue or pressure. The Parent Dashboard tracks streaks and consistency, which is the most reliable predictor of improvement.

We recommend starting 8–12 weeks before an expected testing window, though using Brain Booster year-round as a regular enrichment activity is even better — reasoning skills developed over time are more robust than those crammed in the weeks before a test.

What score does my child need to qualify for a gifted programme?

Thresholds vary significantly by school district. On the CogAT, many gifted programmes require a composite score at or above the 90th percentile nationally, with competitive or highly selective programmes requiring the 95th to 99th percentile. For the SAGES, a General Ability index of 126+ on the K–3 form typically indicates giftedness.

It is important to remember that CogAT and SAGES scores are rarely the only criterion. Most schools use a multi-factor approach that may include teacher recommendations, grades, and observations of creative thinking or leadership. A strong test score is a powerful factor but not always the only one.

Is Brain Booster free?

Yes — Brain Booster is free to use. Creating a parent account and practising all six test categories across all five grade levels costs nothing. The app is supported by child-safe, non-personalised advertisements shown to parents on the parent dashboard and welcome screens. Children never see any advertisements during their practice sessions.

Is my child's data private and secure?

Yes. Brain Booster is designed with child privacy as a priority. All data is stored securely under the parent's account. Children do not have their own accounts and no personal information is collected from children — only a first name and grade level, plus quiz performance data. The app complies with COPPA (Children's Online Privacy Protection Act) requirements. No personal data from children is shared with advertisers. Advertisements shown to parents use contextual targeting only — no behavioural profiling.

Can I use Brain Booster on a tablet or iPad?

Yes — Brain Booster works on any device with a modern browser, including iPhone, iPad, Android tablets, and desktop computers. For the best experience on iOS, open the app in Safari, tap the Share button, and choose "Add to Home Screen". This installs Brain Booster as a full-screen app with no browser chrome, exactly like a native app but without needing the App Store. The same "Add to Home Screen" option is available in Chrome on Android.

Start building reasoning skills today

Free practice sessions for CogAT and SAGES — for every child in Grades K through 8.

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