Bullying is intentional and repetitive behaviours by an individual or group that harms, intimidates or coerces someone. The bullying can be motivated by actual differences or perceived differences and there is often an imbalance of power between the person being bullied and the people bullying them.1,2
It can involve people of any age and can happen anywhere - at home, school or using online platforms and technologies (cyberbullying). This means it can happen at any time. Online and offline bullying are often interlinked and children may experience bullying involving a combination of offline and online interactions.3
Impact of bullying and cyberbullying
“Every day I wake up scared to go to school, scared about the comments people will make and scared about walking home. Then I get in and log onto my social networking site and there are horrible messages everywhere. It’s like there’s no escaping the bullies. I’m struggling to cope with how upset I feel so sometimes I cut myself just to have a release but it’s not enough. I can’t go on like this.”
Childline counselling session with a girl aged 13
The impact of bullying behaviour and the fear of it recurring can cause many types of harm and distress and in some cases can be abuse.4,5,6,7
Emotional
The emotional effects of being bullied include:
- sadness, depression and anxiety
- low self-esteem
- social isolation
- self-harm.8
School
Bullying can affect children's performance and attendance at school. They may find it hard to concentrate on schoolwork and homework, or be too afraid to go to school.9
Online
Bullying can happen at any time or anywhere. A child can be bullied online when they are alone in their bedroom trying to relax or do homework - so it can feel like there's no escape. This can make it even more difficult for children to cope with being bullied. Cyberbullying can make children feel more frightened and helpless than bullying that happens offline.10,11
If a child is being bullied online, they may not know who is bullying them (the bully may have created an anonymous online account). This can be extremely frightening.
Witnessing bullying
Children who have witnessed another child being bullied may also be distressed. They may not know the best way to help the person being bullied. They may fear for their own safety and experience feelings of guilt for not stepping in.12
Bullying and violence
Research has shown that there is a link between bullying and being involved in future violence. Children who displayed bullying behaviours throughout childhood can be more likely to be involved in future violence or carrying a weapon. Professionals should consider early intervention and support for children who display bullying behaviours.13
References
Anti-Bullying Alliance (2025) Our definition of bullying. [Accessed 21/10/2026].Department for Education (2026) Preventing bullying [Accessed 21/10/2026].
Ofcom (2024) Key attributes and experiences of cyberbullying among children in the UK. [Accessed 21/10/2026].
Department for Education (DfE) (2026) Working together to safeguard children: a guide to multi-agency working to help, protect and promote the welfare of children. [Accessed 19/06/2026].
Department of Health (2026) Co-operating to safeguard children and young people in Northern Ireland. Belfast: Department of Health. Northern Ireland.
Scottish Government (2024) Respect for all: the national approach to anti-bullying for Scotland’s children and young people. [Accessed 21/10/2026].
Wales Safeguarding Procedures (2021) Safeguarding children from online abuse. [Accessed 21/10/2026].
Agustiningsih, N., et al (2024) The impact of bullying and cyberbullying on mental health: a systematic review International Journal of Public Health Science (IJPHS) 13(2): 513-520.
Anti-Bullying Alliance (2019) Change starts with us: anti-bullying report. [Accessed 21/10/2026].
NSPCC (2026) The impact of harmful online content on children: helplines insight briefing. [Accessed 21/10/2026].
Ditch the Label (2020) Annual bullying survey 2020. [Accessed 21/10/2026].
Midgett, A. and Doumas, D. M. (2019) Witnessing bullying at school: the association between being a bystander and anxiety and depressive symptoms. School mental health, 11(3): 454-463.
Youth Endowment Fund (2026) The association between bullying and violent crime. [Accessed 21/10/2026].