For the parents and teachers of children aged 8–15
How your child thinks, spells, calculates and understands the world today is already shaping who they’ll be at 25.
Basics mastered. Future unlocked.
None of that shows up clearly on a school report card. A child can quietly compensate for years — until the gap gets harder to close. TopperLens Junior measures all four now, while there's still time to build them properly.
- 4 tests, one platform
- Ages 8 to 15
- Never ranked against other children
Why these four, and why now
The skills no report card fully captures
Grades measure what your child has already learned. Three of these measure something else — how much effort everything else takes them. The fourth, General Knowledge, asks a different question again: how much of what school has already covered has actually stuck. The difference between a child who's fighting their own tools and one who isn't shows up for the rest of their life, not just this term.
Cognitive aptitude
The bandwidth for everything else
Working memory, processing speed, reasoning — these aren't just "intelligence." They're the mental bandwidth your child brings to every subject, every year, for the rest of school. A child with more of it doesn't do better in one class — they learn new things faster in all of them, for good.
Spelling
The skill hiding behind every other skill
Every subject is taught and tested through writing. A child who has to stop and think about how to spell a word can't fully focus on the idea they're expressing — in an essay at 12, an exam answer at 16, an email at 30. Fluent spelling isn't really about spelling. It's about freeing up the thought behind it.
Maths speed
What frees up the mind to actually think
A child still working out 7×8 by hand in a physics exam is spending their limited attention on arithmetic — not the real problem. Automatic number facts, built now, become free mental space for every harder idea later: algebra, science, even managing money as an adult.
General knowledge
What actually stuck from what they were taught
The other three measure how easily a child learns. This one asks a different question: of everything school has already covered, how much is still there? A term is taught, tested, and moved past — and nobody checks again. We check against the syllabus itself, class by class, and tell you exactly which parts did not stay.
4
Focused tests, one platform
8–15
Ages covered
100%
Grounded in learning science
1
Detailed report per test
How it works
From registration to results, in four simple steps
Register
Create a free parent account with your child's name and current age.
Choose your test(s)
Subscribe to Cognitive, Spelling, Maths, General Knowledge, or all four — no fixed date or slot to book around.
Practice, then test
Practice whenever you like within your subscription, and take the formal test whenever your child is ready.
Get the report
A clear, visual report for every test taken, showing strengths and growth areas.
See sample reports for all 4 tests →Try it yourself
See what one question actually looks like
Four examples from the Cognitive test. No sign-up, nothing recorded — answer one and see what it is measuring.
The real test adapts to your child’s age, and no child is ever ranked against another — every report compares them only with themselves.
01 · Cognitive Aptitude Test
Understand how your child thinks
A curriculum-aligned assessment that maps your child's thinking across six well-defined domains, so you can see exactly where they excel and where a little more support will help — not just a single score.
Take the Cognitive Aptitude TestThe science
TopperLens Junior's cognitive test is structured around CHC theory — the most extensively researched and widely accepted model of human cognitive ability, spanning more than six decades of psychometric research. It's the same theoretical foundation behind clinical tools like the WISC-V. Instead of reducing your child to a single score, CHC theory maps thinking across distinct, well-defined domains — six of which show up below.
Logical thinking
Spotting patterns and solving new problems without relying on things already learned.
Why it matters — shows up in maths problem-solving, science experiments, and picking up new games quickly.
Verbal & language skills
Vocabulary, comprehension, and how well a child uses language to understand and express ideas.
Why it matters — drives reading comprehension, essay writing, and following classroom instructions with ease.
Spatial thinking
Visualizing, rotating, and mentally manipulating shapes and space.
Why it matters — key for geometry, map-reading, diagrams, and subjects like geography and design.
Working memory
Holding and using information in mind for a few seconds while working on a task.
Why it matters — needed for mental maths, following multi-step instructions, and note-taking in class.
Quick thinking
How quickly and accurately a child can process simple information.
Why it matters — affects how comfortably a child handles timed tasks and keeps pace in class.
Memory & recall
How efficiently learned information can be stored and retrieved later.
Why it matters — central to remembering formulas, vocabulary, and anything studied earlier in the year.
TopperLens Junior is an educational cognitive skills screener inspired by CHC theory, designed for developmental guidance — not a clinical or diagnostic instrument.
02 · Spelling Test
Build real, lasting spelling skill
Your child hears a word read aloud in a sentence, then types what they heard. Practice is untimed and repeats the words your child finds trickiest more often, until they genuinely stick — then a formal test and report show exactly where things stand.
Try Spelling PracticeHear it
A word is read aloud in context, using the browser's built-in speech — no app or download needed.
Type it
Your child types what they heard and gets instant, judgment-free feedback.
Spaced review
Trickier words resurface more often over time, using the same scheduling idea behind tools like Anki.
The science
Actively recalling a word — rather than just re-reading it — is what makes it stick. This is the "testing effect" (Roediger & Karpicke, 2006), one of the most consistently replicated findings in learning science. Layered on top is spaced repetition, based on Ebbinghaus's forgetting curve and the Leitner system: words your child gets wrong come back sooner, and words they know well come back less often — the same principle behind flashcard tools like Anki.
Roediger & Karpicke (2006), "The Power of Testing Memory"; Cepeda et al. (2006) meta-analysis on distributed practice.
A word from practice
"Please separate the red and blue blocks." — heard aloud, then typed from memory.
03 · Maths Speed Test
Faster, more confident mental maths
Short, mixed sessions of addition, subtraction, multiplication and division — never one repetitive drill at a time — build genuine speed and automaticity with number facts, then a formal test and report track how that speed is improving.
Try Maths Speed PracticeMixed problems
Operation types are interleaved rather than blocked, so your child can't just switch off and repeat one pattern.
Instant feedback
Every answer is checked immediately, with the correct answer shown right away when it's wrong.
Builds fluency
Regular short sessions build speed and accuracy together — the goal is fast and right, not just right.
The science
Because the goal here is speed, not just correctness, the maths module leans on Precision Teaching / fluency-based instruction (Ogden Lindsley; Kent Johnson & Elizabeth Street) — scoring digits correct per minute, the real measure of automaticity, not just a right/wrong tally. Each fact moves through a spaced-repetition schedule — resurfacing right before it's likely to be forgotten, held back if it's answered correctly but too slowly to count as automatic — paired with interleaved practice (Rohrer & Taylor, 2007) so operations stay mixed, never drilled one at a time.
Johnson & Street, "Response to Intervention and Precision Teaching"; Rohrer & Taylor (2007), "The Shuffling of Mathematics Problems Improves Learning."
What the report shows
Speed & accuracy, side by side — not one blended score
Illustrative example — every real report is built from your child's own results.
04 · General Knowledge Test
What they know about the world around them
Six strands — India, the wider world, the living world, earth and sky, how things work, and everyday society — drawn from the NCERT syllabus and tagged with the class each fact is introduced in. A result tells you which part of what school has already covered has actually stuck, and which part has not.
Start General KnowledgeWhat this test will not tell you
No comparison with other children
CBSE prescribes no General Knowledge syllabus, and no Indian body publishes what a child of a given age should know — the last national measurement of this content at Class 3 was discontinued in 2024. Anyone selling you an age percentile for general knowledge invented it. We report against the syllabus instead.
It measures exposure as much as ability
Books at home, travel, languages spoken, time online. General knowledge tracks all of these more closely than any other module here. A lower score often says more about what a child has been around than about the child, and the report says so on its first page.
What it does tell you
Exactly which questions were missed, what the answers were, and why — across six strands, each tagged to the NCERT class it belongs to. That is a list you can act on this week, which a percentile never is.
Pricing
Choose what fits your child
We recommend at least 3 months of regular practice to see meaningful improvement — building a skill takes consistent reps, not a single session.
Try everything free for 14 days
All four tests, every report, and unlimited practice. No card needed, and nothing to cancel — it simply stops after two weeks.
Single Test
₹199one-off
- One formal test on any single subject
- The full report for that test, yours to keep
- No expiry — take it whenever you are ready
- Good for a first look before committing
Report Pack
₹499one-off
- All four formal tests — Cognitive, Spelling, Maths, General Knowledge
- A full report for each, yours to keep
- No expiry, no subscription
- Less than four Olympiad entry fees for four subjects
Practice — yearly
₹2,999/ year
- Unlimited practice on all four subjects, up to 1 hour a day
- All four formal tests, plus retests through the year
- Every report, and a full year of progress history
- Works out at about ₹250 a month
Family — yearly
₹4,499/ year
- Everything in the yearly plan, for up to 3 children
- Each child gets their own login, tests and reports
- Half again the price for three times the children
- One renewal date to remember, not three
Prefer to start smaller? The same plan is ₹399 a month, cancel any time.
Extra formal tests are ₹199 each, any time. On the yearly plans practice is unlimited — the daily hour resets each day and does not roll over.
For students
Your own login — set up by your parent
TopperLens Junior accounts belong to parents. You can't sign up on your own — a parent creates your username and password from their own account, then hands it to you.
Your parent creates your login
From their TopperLens Junior account, your parent picks a username and password just for you.
You sign in here
Use that username and password at student login — separate from your parent's own account.
You practice and test
Once your parent has bought a module for you, you'll be able to practice and take tests from your own login.
Don't have a login yet? Ask your parent to create one for you from their TopperLens Junior account.
Why a lens?
A mark about looking closely, not measuring up
Look closely at the mark and you’ll find a lens where a letter should be. That’s deliberate. Whichever test your child takes, we don’t hold them up against anyone else’s child. We look closely enough to notice what’s genuinely strong, and where a little more support will help. A lens doesn’t rank what it looks at — it just helps you see it clearly.
What it means for a parent
Reports built to help, not to rank
Whichever tests your child takes, that same close, non-judging attention shapes exactly what you'll see in every report — and how you can use it at home.
Observation, not comparison
Every report reads like a careful, individual look at your child — never a ranking against classmates or a national average. What you get is how your child's own strengths and growth areas compare to each other, not to anyone else's child.
Specific, actionable insights
Instead of a single pass/fail number or percentile, you'll see exactly which specific skills stand out and which would benefit from more support — described in plain language, with real examples of how each one shows up in schoolwork and daily life.
A model for how to watch your child
The same patient, attentive approach we use to build every report is something you can bring home — noticing effort, curiosity, and specific strengths day to day, instead of judging by grades or outcomes alone.
Practical next steps
Each report pairs every growth area with specific, age-appropriate activities you can try at home — so it's a starting point for supporting your child, not just a description of where they stand today.
Why TopperLens Junior
Built to be clear, fair, and genuinely useful
Age-calibrated
Every test is calibrated to your child's current age — not a generic, one-size-fits-all quiz.
Actionable reports
A clear, visual breakdown of strengths and support areas for every test — not just a single score.
Take it whenever you're ready
No fixed exam date or slot — subscribe once, and practice or test any time that fits around school and family life.
Handled with care
Your child's information and results are kept confidential and secure.