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Evidence Guide
15 min read

Anxiety & Worry

Most childhood worry is ordinary and passes. This guide is about telling the difference — what anxiety is, how it shows up when a child cannot name it, what genuinely helps, and when to involve someone else.

Reading time
15 min read
Age range
All primary (EYFS–KS2)
Evidence level
Moderate
A quiet primary school cloakroom with a single coat and book bag on a wooden peg rail in soft morning light.
Written for families

Plain English, no jargon. You don't need a teaching background to use this — just read the parts that feel useful and skip the rest. If something raises a question, your child's teacher or SENDCO is the best next step.

OverviewFor parents

What anxiety actually is

Anxiety is the feeling that something bad might happen. Everyone has it, and it is useful: it makes us prepare, check, and take care. Children feel it about new places, being away from you, the dark, tests, friendships, getting things wrong — and what they worry about changes as they grow.

NHS guidance draws the line not by how strong a worry looks but by how much it is getting in the way. Worry that passes, and does not stop a child taking part, is ordinary. Worry that keeps coming back, is out of proportion to the situation, and is affecting sleep, school, friendships or family life is the kind worth doing something about.

Ordinary worry

Nervous before a test, a new class, a sleepover, the dark. Passes, responds to reassurance and preparation, and does not stop the child doing the thing. This is normal development, not a problem to be solved.

Worry that is becoming persistent

The same fear keeps returning, takes longer to settle, and starts to shape choices — asking the same question repeatedly, avoiding one lesson, needing an adult nearby. Worth noticing and describing.

Anxiety affecting everyday life

It is regularly interfering with sleep, eating, learning, friendships, participation or getting into school. This is the point at which schools and families should be talking, and often the point to ask a GP.

A diagnosed anxiety disorder

A clinical judgement made by a health professional against clinical criteria, sometimes with treatment attached. Schools and this guide describe what they see; they do not diagnose.

The aim is not a worry-free child

A childhood without worry is neither possible nor desirable. The aim is a child who can still do the things that matter to them while feeling worried, and who knows they can bring a worry to you.

MoreFor parents

How it looks at different ages

Younger children often show anxiety in their bodies and their behaviour rather than their words: tummy aches, clinginess, not wanting to be left, sleep that comes apart, tears at the school gate. As children get older, worries become more social and more future-focused — being judged, getting it wrong, being left out, something happening to you.

Many children cannot say "I feel anxious". They say they feel sick, or that school is boring, or they get cross. That is not avoidance of the truth; it is the vocabulary and self-awareness they have so far.

OverviewFor parents

What you might notice

  • Physical: tummy aches, headaches, feeling sick, needing the loo often — most common before the thing they are worried about.
  • Sleep: taking a long time to settle, waking, wanting company, bad dreams.
  • Avoidance: not wanting to go somewhere, dropping a club, refusing an activity they used to enjoy.
  • Reassurance-seeking: the same question again and again, and your answer not sticking for long.
  • Irritability or outbursts, particularly at home after school.
  • Difficulty concentrating, or a sudden drop in what they can manage.
  • Being unusually careful, perfectionist, or upset by mistakes.
  • Sunday evenings and the start of terms being noticeably harder.
Not everything is anxiety

Tummy aches can be tummy aches. Not wanting to go to school can be a friendship, a teacher, a hard subject, hunger, tiredness, or something that happened at lunchtime. Anxiety is one explanation to hold alongside the others, not the first one to reach for.

OverviewFor parents

What tends to make worry bigger

Two things, in particular, quietly grow anxiety even though both come from love. The first is avoidance: when a child avoids the thing they fear, the relief is immediate, and the fear grows a little stronger for next time. The second is heavy reassurance: answering the same worry repeatedly gives short-term comfort but teaches the child that the worry needed answering.

This does not mean pushing a child into things or refusing to talk. It means aiming, over time, for small steps forward rather than either avoidance or confrontation — and for conversations that build the child's own thinking rather than settle the worry for them.

Neither "just reassure them" nor "make them face it"

Both are too simple. The right response depends on the child, the situation and how much difficulty they are in. A gradual step towards something, planned with the child, is usually more useful than either extreme.

OverviewFor parents

What helps at home

Listen first, and take it seriously

What it is: hearing the worry out before responding, without correcting it. Why: children stop bringing worries to adults who immediately explain them away. What to avoid: "There's nothing to worry about" — true, perhaps, but it ends the conversation.

Help them put it into words

What it is: helping name what the worry actually is — not "school", but "getting the answer wrong in front of the class". Why: a specific worry can be planned for; a vague one cannot. When: in a calm moment, often side by side rather than face to face.

Ask what they think might help

What it is: problem-solving together rather than for them — what could we try, what would make it a bit easier. Why: it builds the child's sense that worries are manageable, which is the thing you actually want to grow.

Answer once, then hold steady and warm

What it is: answering a repeated worry once, then acknowledging it without re-answering — "I know that's on your mind. We've talked about it, and I think you'll manage." Why: repeated reassurance tends to feed the cycle. Limits: this needs warmth; done coldly it feels like being dismissed.

Prepare for what is coming

What it is: talking through a new place, a change of teacher, a trip, a hospital appointment — what will happen, who will be there, what to do if. Why: much anxiety is about uncertainty, and uncertainty is often reducible.

Small steps rather than big leaps

What it is: breaking an avoided thing into stages the child agrees to — walking past the club, then staying five minutes, then a session. Why: confidence is built by manageable success. Limits: steps chosen by the adult alone rarely stick.

Protect sleep and downtime

What it is: predictable evenings, screens away before bed, some unstructured time. Why: tiredness lowers everyone's capacity to cope, and anxiety and poor sleep feed each other.

Tell school what you are seeing

What it is: describing examples rather than asking for a label. Why: the school may see something quite different, and the gap between the two accounts is usually the most useful information anyone has.

MoreFor parents

When school is the hard part

Anxiety about school is common, and mornings can become the worst part of the week for a whole family. Sometimes it is about a specific thing — a lesson, a lunchtime, a friendship, a walk down a corridor — and sometimes the child cannot say. Either way, working out what part of the day is hardest is more useful than treating school as a single object.

DfE guidance for schools on mental health issues affecting attendance is clear that these situations usually need support and adjustment alongside the expectation of attending, rather than enforcement alone. It is reasonable to ask school for a plan: a named adult, a soft start, a place to go, a check on the parts of the day that are hardest.

Try not to let it become all-or-nothing

Long absences are hard to come back from, and short absences can become long ones quickly. Getting in for part of a day, with a plan, is usually better than a full day that ends badly or a day missed entirely — but the right balance is a conversation with school, and sometimes with a professional.

Support at homeFor parents

Things to avoid

  • Promising something you cannot guarantee ("nothing bad will happen").
  • Long, logical arguments about why the worry is unrealistic — anxiety is not usually persuaded.
  • Making the worry the main subject of family life.
  • Removing everything difficult, or removing nothing.
  • Treating breathing exercises or an app as the whole plan.
  • Assuming that because school reports no problems, nothing is happening.
  • Diagnosing at home, or online.
MoreFor parents

When to ask for more help

You do not need to wait for things to be severe. It is worth asking for advice when the worry is persistent rather than passing, when it is happening in more than one part of life, when your child is very distressed, when sleep, eating, friendships or school attendance are affected, or when family life has started to organise itself around the anxiety.

  • Start with your child's teacher or the school's SENDCO — describe what you see and ask what they see.
  • Your GP can advise and, where appropriate, refer to local children and young people's mental health services.
  • Many areas have school-based mental health support teams, school counselling or early help; school can tell you what exists locally.
  • NHS pages on anxiety in children set out common signs and what to do next.
If you are worried about immediate safety

If your child is at risk of harming themselves, contact your GP, NHS 111, or emergency services. This guide is educational and is not a substitute for medical advice.

ResearchFor parents

Evidence & sources

What this guide is, and is not

This is an educational guide, not a clinical one. It cannot tell you whether a child has an anxiety disorder, and nothing here replaces advice from a GP or a mental health service. The school-side evidence is moderate at best — the EEF rates social and emotional learning as moderate impact on moderate evidence — so what follows is written as 'likely to help', not 'proven to work'.

  1. NHSProfessional guidance
    Anxiety in children — advice for parents

    The plainest UK statement of the distinction this guide rests on: all children feel worried sometimes, and anxiety becomes a concern when it is out of proportion, persistent, and getting in the way of ordinary life.

  2. NHSProfessional guidance
    Anxiety disorders in children

    Describes recognised anxiety difficulties and the routes to help — GP first, then local children and young people's mental health services. Diagnosis sits here, not with schools.

  3. NHSProfessional guidance
    Children and young people's mental health — advice for parents

    The parent-facing hub, including what to do first and where support exists locally.

  4. National Institute for Health and Care ExcellenceProfessional guidance
    Social, emotional and mental wellbeing in primary and secondary education (NG223) (2022)

    Recommends a whole-school approach: supportive climate, trusted relationships, universal curriculum content, targeted support for those who need more, and staff training to deliver it.

  5. National Institute for Health and Care ExcellenceProfessional guidance
    Social anxiety disorder: recognition, assessment and treatment (CG159) (2013)

    Clinical guidance covering children and young people. Referenced here only to be clear where the clinical threshold and treatment decisions sit — with health services.

  6. Department for EducationProfessional guidance
    Mental health and behaviour in schools (2018)

    Non-statutory advice on the line between what a school can reasonably provide and what needs a clinical service — the question most often at issue with anxiety.

  7. Department for EducationProfessional guidance
    Mental health issues affecting a pupil's attendance: guidance for schools (2023)

    Directly addresses anxiety-related absence: attendance is usually improved by support and adjustment alongside expectation, rather than enforcement alone.

  8. Department for EducationStatutory guidance
    Working together to improve school attendance (2022, statutory from 2024)

    Sets out the 'support first' expectation and the duties schools and local authorities hold where attendance is affected by health or SEND.

  9. Department for EducationStatutory guidance
    SEND Code of Practice: 0 to 25 years (2015)

    Names anxiety as an example of a social, emotional and mental health need, and sets out the graduated approach — assess, plan, do, review.

  10. Department for Education (research by University College London)Research evidence
    Identifying and supporting children and young people with social, emotional and mental health needs: a rapid evidence review (2025)

    Part of the DfE's SEND evidence programme. Published as research; the DfE states it does not endorse the approaches described.

  11. Education Endowment FoundationResearch summary
    Improving Social and Emotional Learning in Primary Schools — guidance report (2019, updated 2021)

    Recommends teaching social and emotional skills explicitly and using them across the day. Rated by the EEF as moderate impact for very low cost, on moderate evidence.

  12. Public Health England / Department for EducationProfessional guidance
    Promoting children and young people's mental health and wellbeing: a whole-school and whole-college approach (2021)

    The eight-principle framework most UK schools audit their wellbeing provision against.

  13. Anna FreudProfessional guidance
    Mentally Healthy Schools

    Quality-assured UK resource bank for primary schools — useful when choosing classroom materials that are not simply commercial products.

Supporting School
Curious how school approaches anxiety & worry?

The professional Evidence Library shows the same ideas written for teachers, SENDCOs and school leaders.

Open the Evidence Library
Continue exploring

Where to go next.

A calm handful of next steps — not a checklist. Follow whichever thread is most useful right now.

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For the classroom

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