Selective mutism in young children — and why it isn't shyness

Your child talks non-stop at home, then goes completely silent at nursery, at drop-off, or around people outside the family. It can look like extreme shyness, but selective mutism is something more specific — and something you can actively help with.

Not the same as shyness

Selective mutism describes a consistent pattern where a child is unable to speak in certain settings — often school, or with anyone outside a small circle — while speaking freely, sometimes fluently, at home. Ordinary shyness tends to ease once a child gets familiar with new people or places; selective mutism usually stays fixed to specific settings or people, no matter how long the child has known them.

Why it isn't about willpower

It helps to think of the silence as anxiety taking over in that moment, not a choice the child is making. Speaking in the 'wrong' setting can feel genuinely impossible for them right then, rather than simply something they'd rather not do. It also isn't something most children just grow out of on their own — the earlier the right support goes in, the better children tend to do.

What helps at home

Lower the pressure around talking rather than raising it — asking a silent child to 'just say hi', or making a big deal when words do come out, tends to increase anxiety rather than ease it. Non-verbal ways to join in, gentle familiar games, and quiet acknowledgement of any form of engagement — a nod, a drawing, a whisper to you — usually build confidence faster than pushing for speech.

Working with the school

Because the pattern is so setting-specific, it helps enormously when home and school are working from the same page. Share with teachers that the silence isn't defiance or rudeness, and agree on a consistent, low-pressure approach together — an LSA or shadow teacher working alongside your child in class can help put that plan into practice day to day, without singling them out.

A reasonable next step

Selective mutism generally responds well to speech and language therapy, often alongside some coaching for parents on how to respond at home, and this kind of support can begin well before, or alongside, any formal diagnosis.

If this sounds familiar, our speech and language therapy page has more on how that support works, or get in touch for a no-pressure conversation.