What is SEMH? A plain guide for schools

SEMH stands for social, emotional and mental health. It is one of the four broad areas of need in the SEND Code of Practice, alongside communication and interaction, cognition and learning, and sensory and physical needs.

That makes it sound tidy. In practice it is the least tidy area of the four, because it describes an enormous range of children: the child who externalises their worries and fears through anger, compared to the child who internalises it by not talking to those around them.

What the label actually covers

A child has an SEMH need when difficulties with their social or emotional development, or their mental health, get in the way of their learning or their relationships. The Code of Practice is deliberately broad here. It includes children who are withdrawn or isolated as well as children whose behaviour is challenging, disruptive or concerning, and it names conditions such as anxiety and depression alongside attention difficulties and attachment needs.

Two things follow from that breadth, and both matter in practice.

Behaviour is communication, not a category. The Code moved away from the old label of behavioural difficulties on purpose. A child who pushes a chair over on Tuesday morning is telling you something; the SEMH lens asks what, rather than only recording that it happened. That does not mean behaviour goes unaddressed. It means the response includes curiosity about the cause.

The quiet children count. Most schools are good at noticing the pupil who erupts. The pupil who has stopped putting their hand up, eats lunch alone and produces immaculate work while sliding into anxiety is just as much an SEMH concern, and far easier to miss. Any identification approach that relies only on incidents will systematically overlook them.

How SEMH shows up in a classroom

There is no single presentation, but staff usually describe some mix of the following:

• Withdrawal: a child who avoids interaction, stops volunteering, and slowly disappears from the social life of the class.
• Externalised distress: outbursts, refusal, conflict with peers or adults, walking out.
• Anxiety-shaped patterns: absence on particular days, somatic complaints, perfectionism that tips into paralysis.
• Sudden change: a settled child whose presentation shifts over a few weeks. Change from baseline is often the most useful signal a school has.

None of these, on its own, means a child has an SEMH need. A rough fortnight is not a diagnosis. What distinguishes need from a bad patch is persistence, and the only reliable way to see persistence is to look at the same child, in the same way, over time.

Identification: the graduated approach

The Code of Practice expects schools to follow a graduated approach: assess, plan, do, review, around and around. For SEMH that cycle looks like this.

Assess means gathering a picture, not waiting for a crisis. Classroom observation, a structured wellbeing measure, conversations with the child and their parents, and whatever your school already records about attendance and incidents. The aim is a baseline you can compare against later.

Plan means deciding what support will be offered, who will provide it, and what you expect to change. Vague plans produce vague reviews.

Do is the support itself: the check-in, the nurture group, the adapted timetable, the work with home.

Review is where most systems quietly fail. A review needs the before picture, the after picture, and an honest look at the difference. If nothing changed, the plan changes. If something worked, you keep it and write down that it worked, because that record is next year's head start.

What actually helps

The evidence and the experience of pastoral staff point in the same directions: secure relationships with adults, consistency and predictability, early noticing rather than late reaction, and support that is reviewed rather than simply provided. A child with an emerging SEMH need does not usually need something exotic. They need the ordinary things done reliably, and they need someone to notice when the ordinary things are not enough.

For the school, the operational challenge is memory. The TA who noticed, the teacher who adapted, the lunchtime supervisor who watched it improve: each holds a piece. Schools that support SEMH well are the ones where those pieces end up in one place, so patterns are visible and nothing rests on one person's recall. That is a workflow question as much as a pastoral one, and it is the subject of our guide to building a concern-to-support workflow.

Where to start

If SEMH provision in your school feels reactive, start smaller than a strategy document. Pick one year group. Establish a baseline for every child in it, not just the ones already on your radar, because the radar is exactly what you are trying to improve. Review half a term later. The children the baseline surprises you with are the reason this area of need deserves the label it has.