When Behaviour Is Communication: A Trauma-Informed Approach to SEMH & SEND in Schools

Written By Claudine Sinnett

In schools and homes across the UK, children with SEMH (Social, Emotional and Mental Health) and SEND needs are often described as “challenging”, “defiant” or “disengaged”. But behaviour rarely exists in isolation.

Behaviour is communication.

When a child cannot articulate overwhelm, anxiety, shame or confusion, those feelings often appear through behaviour instead.

Understanding this shift, from control to curiosity, is at the heart of trauma-informed and SEND-aware practice.


What Does “Behaviour Is Communication” Really Mean?

For children with SEMH and SEND needs, behaviour can signal:

  • Emotional dysregulation

  • Sensory overload

  • Anxiety about failure

  • Attachment-related insecurity

  • Difficulty processing language or social cues

A trauma-informed lens asks not:


“What’s wrong with this child?”
but:
“What might this child be trying to tell us?”
In secondary schools and AP settings, behaviour often escalates because the system is faster, louder and more complex.

Without relational safety, young people may:

  • Withdraw

  • Mask distress

  • Disengage academically

  • Escalate in frustration

Trauma-informed SEMH practice recognises that regulation must come before reasoning.

Practical Strategies for Schools and Families

  • Pause before reacting

  • Use co-regulation rather than confrontation

  • Offer predictable routines

  • Reduce shame-based language

  • Focus on connection before correction

When adults feel supported and reflective, children are more likely to feel safe.

Claudine Sinnett
Next

What Is Trauma-Informed Practice in Schools? Beyond the Buzzword