Ages 4 to 12 · 100% free · Instant results

Free Online Autism Test for Children

A research-informed autism test for kids aged 4 to 12, designed for parents who have started noticing differences — in friendships, routines, sensory reactions or big emotions — and want a clear, structured starting point. 20 questions, five minutes, instant results. Completely free.

This child autism test is a screening guide, not a medical diagnosis. It has been carefully put together from the traits used in established childhood screening research to help you decide whether a professional assessment is worth pursuing. If you have been wondering how to test a child for autism, this is a useful, structured first step.

Begin the 20-question screening

What to look for

Signs of autism in children

Autism looks different in every child. These are the areas this child autism quiz asks about — if several feel familiar, the test will help you see the overall pattern.

01

Friendships feel like hard work

Your child wants friends but struggles to make or keep them, plays alongside rather than with other children, or prefers adults and younger kids.

02

Conversation runs one way

They can talk brilliantly about their favourite topic but find back-and-forth chat, small talk and taking turns in conversation genuinely difficult.

03

Routines are load-bearing

Small changes — a different route to school, a cancelled plan, a moved chair — cause distress that seems far bigger than the change itself.

04

The world is louder for them

Clothing labels, hand dryers, busy supermarkets, mixed foods on a plate — everyday sensory input that others filter out can overwhelm them.

05

School holds it in, home lets it out

Teachers say they are fine, but they come home exhausted and melt down. This "coke-bottle effect" is one of the most commonly missed signs.

06

Deep, intense interests

Dinosaurs, Minecraft, trains, space — the interest itself is normal; the depth, intensity and need to share it at length is what stands out.

Recognise several of these?

Take the free screening

How to test a child for autism — and what comes after

There is no blood test for autism. A formal diagnosis comes from a specialist assessment — usually a developmental paediatrician, psychologist or multi-disciplinary team observing your child and talking with you in depth. But that pathway almost always starts the same way: a parent notices differences, and a screening questionnaire like this one turns those scattered observations into a structured picture worth taking to a GP.

This free child autism test asks 20 questions across the areas clinicians actually assess: social communication, friendships, flexibility and routines, sensory processing, and repetitive behaviours. It draws on the same territory as established childhood screening instruments used in research, rewritten in plain language for parents. You will get an instant score, an explanation of what it means, and specific next steps — free, with no account required.

If your result suggests notable autistic traits, do not panic and do not wait. Assessment waiting lists run over a year in much of the UK and US, and the referral clock only starts when you ask. In the meantime, the single most useful thing a parent can do is start tracking — meltdowns, triggers, sensory reactions, what helps. That record strengthens your referral, and it is exactly what the Nomi app was built for.

FAQ

Common questions

Is this child autism test free?

Yes — completely. The test, your results and the explanation of what they mean are all free. There is no payment step, no subscription and no card required at any point.

Can an online autism test diagnose my child?

No. Only a qualified professional — usually a developmental paediatrician, psychologist or specialist team — can diagnose autism. An online screening like this one tells you whether the traits you are seeing follow the pattern that makes a formal assessment worth pursuing, and gives you structured evidence to bring to that conversation.

What age is this autism test for?

This version is designed for children aged 4 to 12. For younger children we have a separate toddler autism test (18 months to 3 years) and baby checklist, and for older children a teen autism test — each asks age-appropriate questions.

My child is doing well at school. Could they still be autistic?

Yes. Many autistic children — especially girls — mask at school: they study and copy their peers, hold everything in, and release it at home. Academic ability and autism are entirely separate questions. If home and school see two different children, mention that specifically to your GP.

What should I do with the results?

If the test indicates notable traits, book a GP or paediatrician appointment and bring your results and examples of what you see at home. If it indicates few traits but your instinct still says something is different, keep observing and noting — parental instinct has real predictive value, and a screening never overrules it.

Ready when you are

20 questions, 5–7 minutes, and a result you can actually act on. Free — including your results.

This screening is an informal guide, not a clinical diagnosis. Results are best reviewed with a GP, paediatrician or qualified clinician.