Harmful sexual behaviour
Sexual behaviour by children that is developmentally inappropriate or may be harmful to themselves or others. The Brook Traffic Light Tool helps professionals assess what is concerning.
In plain English
Sexual behaviour by children that is developmentally inappropriate or may be harmful to themselves or others. The Brook Traffic Light Tool helps professionals assess what is concerning.
Why it matters
Many children showing harmful sexual behaviour have themselves experienced abuse or significant adversity. A child-first response is essential. Schools should have a clear approach in line with KCSIE and local safeguarding partnership guidance.
Sources
- Harmful sexual behaviour framework— NSPCC Learning
This is practical educational content to support families. For case-specific concerns about a child's safety, contact the NSPCC helpline on 0808 800 5000 or your local safeguarding team.
Last reviewed: 2026-05-17