Signs of Child-on-child Sexual Harassment to Watch For

At first, it can look like jokes, flirting, “just messing”, or something that feels awkward to challenge. However, when sexualised behaviour is unwanted, targeted or persistent, it can quickly create fear and shame. It can also normalise harmful attitudes and, in some cases, escalate into sexual violence or online exploitation.

This guide is for UK parents, carers, teachers, and safeguarding leads who want a clear and practical understanding of what this type of sexual harassment looks like in real settings. It also explains how to spot patterns early and respond in a way that protects children, preserves evidence, and meets school safeguarding duties.

Because so much now happens through phones and social platforms, the guidance also looks at digital risks, image-sharing and sensible thresholds for referrals.

What is child-on-child sexual harassment?

Sexual harassment between children means unwanted conduct of a sexual nature carried out by a child towards another child.

It can be verbal or non-verbal, and take place in person or online. It can happen once or multiple times, or it can build over time. Importantly, it can happen between children of any gender, and it can occur within friendships, peer groups or dating relationships.

If a child experiences sexualised behaviour that they do not want, and it makes them feel uncomfortable, unsafe, humiliated, pressured or controlled, it counts as sexual harassment. If the behaviour creates a hostile environment in any place, for example, at school, on the walk home or online, this also fits the definition of sexual harassment.

People sometimes get stuck on whether the other child “meant it”. But even if the person doing it claims it was a joke, it’s still sexual harassment.

Safeguarding focuses on impact, risk and patterns. Therefore, the adult’s response needs to be calm, consistent and child-centred, rather than dismissive or purely punitive.

It can help to think in three overlapping categories:

Boundary crossing – sexualised comments, gestures or attention that ignores discomfort or the fact that someone is saying “no”
Coercion and control – pressure, threats or manipulation to get sexual contact or images
Humiliation and power – using sexual language, rumours or images intended to dominate or shame

Although schools often talk about “low-level” concerns, sexual harassment should only ever be treated as a potential indicator of wider harm, including grooming, domestic abuse at home, exposure to pornography, or exploitation by older peers. Recording and early intervention are crucial.

What is Child-on-child sexual harassment

Examples of sexual harassment in school

Sexual harassment in school settings can be obvious or well-hidden. It can take place in various places, for example, in corridors, on stairwells, at lockers, on the field, in changing rooms, on the bus, or in group chats that run alongside the school day.

Calling someone sexual names or commenting on their body or clothing
“Rating” pupils, running “lists” or using polls to judge sexual attractiveness
Spreading sexual rumours, including claims about who has done what with whom
Asking intrusive questions about porn, sexual experiences or masturbation
Making “jokes” about rape, consent or violence, then saying “it’s just banter”

Non-verbal harassment can include:

Staring, leering or making sexual gestures
Following a pupil around school or blocking corridors so they cannot pass
Taking photos without consent, including in vulnerable moments like PE
“Accidentally” brushing against someone repeatedly to test boundaries

Physical harassment can include:

Unwanted touching, grabbing or “play fighting” that targets breasts, genitals or buttocks
Pulling clothing, snapping bra straps or trying to look up skirts
Cornering someone, holding them down in “games” or forced kissing

Harassment often shows up through group dynamics. A small number of pupils may lead it, while others laugh, film or forward comments. Meanwhile, the child being targeted may feel trapped because reporting risks social backlash.

Changing rooms and PE deserve specific attention. These spaces can produce intense anxiety because pupils feel exposed and vulnerable. Any repeated problems in those areas should trigger a safeguarding response, not just behaviour management.

If you work in a school, build a habit of noticing micro-patterns: the same names cropping up in corridor incidents, the same areas appearing in reports, or the same online groups linked to multiple concerns. Over time, those patterns often point to a bigger issue.

Is it bullying or harassment?

You may be wondering whether an incident you’ve seen or heard about counts as bullying or harassment. The difference shouldn’t delay action – so it helps to use a simple decision tool.

Bullying often involves repeated behaviour intended to hurt, with a power imbalance. Sexual harassment can also be repeated, but it’s defined by sexualised behaviour and its impact. Therefore, harassment can happen even in a single incident if it is serious enough.

Ask these questions:

Is the behaviour – words, images, gestures or touch – sexualised?
Is the behaviour unwanted, and has the child tried to move away or say no?
Does the behaviour create fear, shame, isolation or a hostile environment?
Is there pressure, coercion, threats or blackmail, including online?
Is there a risk of escalation, retaliation or wider sharing?

If the answer is yes to any of those, treat it as sexual harassment and raise it through safeguarding routes.

In practice, many situations involve both bullying and harassment. For example, a pupil might be being bullied and face sexual rumours as part of that. In that case, address both, but keep the safeguarding lens on the sexual harm.

Be careful with the word “banter”. Children may use that word to minimise what’s happening, especially if they fear being labelled a snitch. Adults may also use it when they feel uncomfortable. However, laughter doesn’t equal consent. If the target of this behaviour is uncomfortable, let that guide the response.

If your school uses a behaviour ladder or staged sanctions, be careful it doesn’t lead to under-reacting. Sexual harassment should not be treated as a low-level behaviour that needs to “build up” before action is taken.

A single comment can still need a safeguarding response, especially if it targets a specific child, includes sexual content, or links to pressure, coercion or image-sharing. Look at the nature and impact of the behaviour, not just how often it has happened.

Make sure staff can record and escalate concerns easily. If reporting feels complicated or excessive, incidents are more likely to be minimised or missed.

Signs a child is being harassed

Children don’t always disclose directly. Many worry they will get the blame themselves or be told they overreacted. This means it’s not always straightforward to tell whether a child is a victim of sexual harassment. You might notice changes in less obvious places, such as in their behaviour, attendance or online habits, that indicate something is wrong.

Emotional signs:

Anxiety, tearfulness, irritability or sudden anger
Loss of confidence, embarrassment or refusing to speak in class
Fear of being seen, for example, wearing baggy clothes or avoiding PE kit
Panic after receiving notifications or sudden fear of their phone

Practical signs:

Avoiding school, arriving late or begging to stay at home
Avoiding particular lessons, corridors, toilets, changing rooms or routes to or around the site
Dropping clubs and activities, or changing friendship groups suddenly
Frequent headaches or stomach aches, especially on school mornings

Being isolated by peers, removed from group chats or mocked publicly
Friendship “tests” that feel humiliating, like dares or forced confessions
A child who seems guarded around a particular peer or group

Because the behaviour often runs online and offline together, look for a pattern that spans both worlds. For example, a child might appear fine in school but then become emotional in the evening because that’s when the group chat is most active. Parents/carers and schools need to share information, while still protecting the child’s privacy.

If you suspect a child is being sexually harassed, open the conversation gently and use language that fits their age and understanding. Avoid leading questions or anything that feels like pressure.

For younger children, keep it simple and concrete:

“Has anyone done something that made you feel uncomfortable or upset?”
“Is there anything at school or online that you don’t like?”
“Has anyone been unkind or made you feel worried?”

For older children and teenagers, you can be more direct:

“Has anyone said or done anything sexual that made you uncomfortable?”
“Is anything happening in messages or group chats that’s making things difficult?”
“Is there anything going on at school that you’re not okay with?”

Give them time to answer, and don’t push if they hesitate or hold back. Some children will test the waters first with partial answers.

Also, notice the “protective phrases” children use: “It’s nothing”, “Don’t make it a big deal”, or “Everyone does it”. Those phrases can signal fear, not consent.

If a child shows distress and you worry about their immediate safety, seek urgent help. For emotional support and guidance, families can use Childline and adults can contact the NSPCC helpline.

Signs a child is harassing others

When a child may be behaving in a sexually harmful way, it can be difficult to take in. Parents and carers may feel shock, confusion or concern about what it means. School staff and safeguarding leads may be balancing the needs of multiple children at once.

A clear, early response matters. It protects other children and helps the child understand boundaries before the behaviour becomes more established.

Possible signs include repeated boundary crossing:

Persistent sexualised comments about bodies, clothing or sexual activity
Repeated “jokes” that target a person, even after adults challenge them
Following, cornering, blocking corridors or invading another child’s personal space

Signs of coercion and control:

Pressuring someone to send sexual messages or images
Using threats, dares or “I’ll tell everyone” to get compliance
Demanding passwords, checking phones or monitoring a partner’s messages

Signs that harassment is taking place online or in groups:

Posting sexual comments under photos or in group chats
Encouraging pile-ons or humiliating “ratings”
Sharing screenshots to embarrass someone, even if they did not create them

You might also notice attitude clues, such as minimising harm, blaming others or treating consent as a game. Whether you think these attitudes are shaped by social media, pornography or peer culture, they still need to be challenged clearly and consistently.

If you are a parent, focus on staying calm and clear. Start with what you know, explain why it matters, and set clear expectations about what happens next.

Be clear that the behaviour is serious.
Make it clear that it must stop.
Explain that adults will now be involved to keep everyone safe.

Avoid turning it into a long conversation or trying to resolve everything at once.

At the same time, do not question other children directly or attempt your own investigation. Work with the school’s safeguarding process instead. This keeps the response consistent and reduces the risk of intimidation or retaliation.

Sexual harassment online and on phones

Online harassment can feel constant. Even when a child leaves school, messages, comments and group chats can continue into the evening and weekend. What happens online can also spread quickly through screenshots and forwards, so a single incident can become a tool for ongoing humiliation.

Common online forms of sexual harassment include:

Sexual comments on photos, stories or status updates
Unwanted direct messages with sexual content or creating pressure
Harassment in group chats, including “jokes” that target one pupil
Impersonation accounts that post sexual rumours or edited images
“Rate me” culture that slides into sexual ranking and shaming
Threats to share private information, images or “screenshots”

Because this behaviour rarely stays contained, schools and parents should treat it as a safeguarding concern even if it happens outside school hours.

If you receive information about online harassment, preserve it carefully. Here are some helpful dos and don’ts:

Do:

Take screenshots where appropriate.
Save dates, usernames and group names.
Report through platform tools.

Don’t:

Reply in anger from the child’s account.
Delete messages, even if they are upsetting.
Forward sexual content to other parents or staff.

Schools in England should follow UKCIS guidance on sharing nudes and semi-nudes when imagery is involved. That guidance covers risk assessment, device handling and recording.

Sexual images often sit at the most serious end of peer sexual harassment. They are rarely just about the image itself. In many cases, they involve pressure and fear of exposure.

Children may describe this in different ways, such as “nudes”, “pics”, “streaks” or “something private”. Some may not recognise how serious the situation is, especially if it starts as part of a relationship or friendship.

One common pattern is pressure to send an image. A child may be asked repeatedly, made to feel guilty, or told “everyone does it”. In some cases, there are direct threats, such as being excluded from an activity or friendship group or being embarrassed. Even if the child eventually agrees, this is not genuine consent.

Another is sharing without consent. An image might be passed around so that the perpetrator can show off, gain status or embarrass someone. Once shared, there is significant risk. The image can spread quickly through group chats and screenshots, making it hard to contain.

A more serious form of this is sextortion. This is when a child uses an image – or claims to have one – to pressure someone into sending more images or doing something they don’t want to do. It may involve threats such as “I’ll send it to everyone” or “I’ll post it”. This can happen within peer groups, relationships or group chats. It often escalates quickly and can feel difficult to stop.

A related risk is the use of AI tools to create or alter images. A child’s face may be added to a sexual image, or an image may be generated without their knowledge at all. These images can still be used to threaten, embarrass or control someone, even if they are not “real”. The impact on the child is the same.

All of these situations should be treated as safeguarding concerns.

If an image may involve a child under 18, act straight away. In schools, follow the safeguarding lead (DSL) process. As a parent, do not share the image to prove what has happened. Instead, contact the school and seek advice if needed.

In the moment, a calm and practical response helps:

Reassure the child that they are not alone and that you will help.
Ask what they are worried might happen next.
Encourage them not to send anything further, even if they feel pressured.
Support them to block and report accounts, while keeping evidence.

If you think an image may already be online, there are routes to get support and request removal. You can report indecent imagery to the Internet Watch Foundation.

Impact on mental health and attendance

Sexual harassment can affect a child’s mental health in ways that adults sometimes misread. A child might look angry rather than scared. They might act “fine” in school, but be breaking down at home. They might withdraw, stop eating or refuse to go to school. This all means that the impact often shows up in attendance first, long before anyone hears the full story.

Common mental health impacts include:

Anxiety and panic, especially linked to school or online notifications
Low mood, shame and loss of self-worth
Sleep problems, nightmares and exhaustion
Hypervigilance, where the child constantly scans for danger
Self-harm or risky coping behaviours

Meanwhile, educational impacts can include:

Reduced concentration and memory, which lowers attainment
Avoidance of lessons and spaces that feel unsafe
Increased behaviour incidents, because stress spills over
Persistent absence or refusing to attend school

The social impact can also be intense. Children may lose friends, feel judged or fear being labelled. Online spread can create a sense that the humiliation never ends. Because of this, adults often need to act quickly to reduce exposure, manage rumours and create safe routes through the day.

If you see signs of distress, start by checking that the child is safe. Find out whether they feel at risk in school, online or on the way home. Once immediate safety is clear, focus on support.

Keep the response simple and consistent. Listen without rushing to fix everything at once. Agree small next steps, such as who they can go to during the day, how to manage contact with others, and what will happen next.

For families, support is available through YoungMinds, a charity that offers guidance on anxiety, low mood and how to support a child suffering with their mental health. Schools may also involve pastoral teams, counselling, early help services or CAMHS, depending on the level of need.

Don’t forget about the wider impact. Siblings, friends and other pupils may be affected, especially if they have seen messages, been part of group chats or are worried about being targeted next. They may not speak up, but still need reassurance and clear boundaries. Support should extend beyond the child most directly affected where needed, so that the wider group feels safe and the situation does not continue through silence or pressure.

School duties under KCSIE

Schools and colleges in England must act in accordance with KCSIE (Keeping children safe in education). That includes setting clear expectations about sexual harassment and sexual violence between children. In practice, it means schools should record concerns and respond to issues consistently, never minimising harm.

KCSIE highlights an “it could happen here” approach. Therefore, schools should not assume that a lack of disclosures means that everything is okay. They should promote reporting routes and ensure pupils know how to report concerns if they arise.

Key duties and expectations include:

Policies that explain how the school handles child-on-child abuse and sexual harassment
Staff training so adults feel well-prepared to recognise behaviours and respond consistently
A culture that challenges harmful “banter” and sexist or sexualised language
Systems for recording concerns, making decisions and documenting reasons
Risk assessment and safety planning when concerns arise
Support for victims and for children alleged to have harmed others

Schools in Wales, Scotland and Northern Ireland have specific national guidance while applying the same core principles: safety, early response and consistent recording.

What to do when a child tells you about sexual harassment

When a child shares something about sexual harassment, your initial response matters. It can determine whether they keep talking and how safe they feel.

Start with reassurance and safety. Stay calm, listen and avoid reacting with shock or anger.

Thank them for telling you.
Make it clear you believe them and take it seriously.
Reassure them it is not their fault.
Explain that you may need to share this with the safeguarding lead or another appropriate adult to keep them safe.

You don’t need to promise confidentiality, and it’s better not to. Be clear that you may need to share what they have told you to keep them safe, but that this will be handled carefully and only with the people who need to be involved.

Asking questions and gathering information

You do not need to investigate what has happened. Your role is to understand enough to assess immediate risk and pass the information on.

Keep questions open and simple:

“Are you safe right now?”
“Is this still happening?”
“Is the person still contacting you?”
“Is anything happening online that is worrying you?”

Avoid asking leading or overly detailed questions. Let the child describe what has happened in their own words, and allow them time to speak without interruption.

If messages or images are involved, keep them as they are. Avoid forwarding or sharing the content, particularly if it includes images of under-18s, and follow your setting’s safeguarding process for handling evidence.

What to say in the moment

Adults often worry about saying the wrong thing, but simple, steady language works best.

“I’m really glad you told me.”
“You’ve done the right thing.”
“I’m sorry this happened.”
“You don’t have to deal with this on your own.”
“We’ll work out what to do next together.”

If the child is worried about consequences, it’s best to say things like:

“You’re not in trouble for telling me.”
“We’re focusing on keeping you safe.”

If the child has shared an image, keep the focus on support rather than blame. Acknowledge the pressure they may have felt and shift attention to what will help them feel safer now.

It can also help to understand their immediate concerns and who they would feel comfortable involving next, so you can plan support in a way that feels manageable for them.

If you are a school staff member, follow your safeguarding process and pass the information to the designated safeguarding lead (DSL) as soon as possible.

Parents and carers should contact the school and share what they know. If there is immediate risk, call 999. If you need advice and it is not an emergency, contact 101.

After a report, you may need to make immediate adjustments to keep children safe. This could include changes to supervision, setting clear expectations around contact, making timetable adjustments, or organising regular check-ins.

It’s also important to think ahead to how the situation might develop, including the risk of retaliation or activity continuing online.

Recording concerns clearly

Clear recording supports safeguarding decisions and helps identify patterns over time.

Record:

Date, time and location
Who was involved and who was present
What was said, using the child’s words where possible
What you observed, without interpretation
Any immediate actions taken
Who the information was shared with and when
Decisions made and next steps

For online concerns:

Keep messages, usernames, dates and group names
Avoid forwarding sexual content
Store any screenshots securely and limit access
Follow your setting’s procedures for devices and evidence handling

If imagery is involved, schools in England should follow UKCIS guidance on sharing nudes and semi-nudes. This supports a risk-based approach and helps avoid unnecessary criminalisation while keeping children safe.

Keeping your own notes (for parents and carers)

If you are a parent or carer, it can help to keep a simple record as well. Note dates, what your child has said, and any relevant screenshots. Share this with the school and, if needed, with the police or social care.

Social care referrals can feel intimidating, but they exist to protect children. You do not need to be certain of every detail before you seek advice. Instead, act on reasonable concern and risk.

You suspect a child is suffering, or likely to suffer, significant harm.
The harassment links to coercion, threats, exploitation or older peers.
There are signs of sexual abuse, serious violence or ongoing intimidation.
The child cannot stay safe through school measures alone.
There are wider concerns at home, such as domestic abuse, neglect or lack of protective supervision.

Early help may be appropriate when the risk is emerging but not yet at a high threshold. That can include family support, mentoring, or targeted interventions.

If you are unsure, speak to the DSL or contact your local authority’s safeguarding or MASH team for consultation. Parents can also seek advice through the NSPCC helpline, which can help you think through options.

People often assume that a social care referral means the child will be removed from their home, or that someone will face legal action. That’s not always the case, and it’s not automatic. In reality, referrals can simply mean assessment, support and coordination. It often helps families when used early rather than late.

When to involve the police 999/101

Police involvement depends on the seriousness, immediacy, and criminal nature of the behaviour. Some situations require an emergency response, while others need non-urgent reporting and advice.

Call 999 when:

A child is in immediate danger.
There is serious violence, weapons or threats to kill.
A child is at immediate risk of sexual assault or abduction.
You need urgent protection or medical help.

Use 101 when:

The situation is serious but not an emergency.
There are threats, stalking, coercion or blackmail, including sextortion.
There is ongoing harassment that involves criminal elements.
Indecent images may be circulating and you need police advice.

Schools often use decision frameworks so there are consistent thresholds. The NPCC guidance on when to call the police sets out helpful principles, and schools can combine it with their safeguarding policies.

Remember: if imagery is involved, don’t share it with others to prove what happened. Just focus on preserving what you can safely and report through proper routes. Get as much advice as you can.

For online exploitation concerns, report via CEOP. For indecent imagery online, use the Internet Watch Foundation reporting tools.

If a child says something has happened to them, such as sexual assault or rape, treat it as urgent and focus on their safety first.

Get help as soon as you can. This might be through the police, NHS services or a Sexual Assault Referral Centre (SARC), where children can get medical care and support. They can speak to professionals there even if they are not sure about reporting to the police. You can call 111 for advice if you are unsure what to do next.

Try not to delete messages or wash clothes if you can, as this may help professionals understand what has happened. However, if the child needs care or comfort, do not delay getting help.

Police involvement can feel scary for children, so communication matters. Explain the purpose in simple terms: “We want to keep you safe and stop it from happening again.” Also, consider emotional support alongside reporting, such as NHS advice on support after sexual assault.

Summing up

Child-on-child sexual harassment is often easier to recognise in hindsight than in the moment. It tends to build through small behaviours that get missed. Sometimes things are normalised or dismissed altogether.

Paying attention early – to patterns, to changes in behaviour, and to what children are telling you directly or indirectly – makes a real difference to how situations develop.

You don’t need complete information to act. What matters is noticing, responding calmly and using the right support around you. Whether you are a parent, carer or professional, your role is to take concerns seriously, keep children safe and make sure they are not left to deal with it on their own.

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