What Parents Need to Know About Selective Mutism

As a parent, it can be confusing and even concerning when your chatty, lively child suddenly goes completely silent at school, in public, or around certain people. You might hear things like, “They never talk in class,” or “They just stare at me when I ask a question.” If this sounds familiar, you might be hearing the first signs of Selective Mutism — a little-known but very real anxiety disorder that affects communication.

Here’s what you need to know to better understand and support your child.

What Is Selective Mutism?

Selective Mutism (SM) is an anxiety disorder where a child is unable to speak in specific social situations — like school, birthday parties, or around unfamiliar people — even though they can speak comfortably in other settings, like at home with family.

It’s important to know:
🔹 This is not a willful refusal to talk.
🔹 It is not about being shy.
🔹 It is a form of social anxiety where the child feels frozen and unable to speak in certain settings.

Think of it like a “mute button” that anxiety pushes, even though your child may want to speak, their body won’t let them.

Why It Happens
Selective Mutism is rooted in anxiety, particularly social anxiety. Children with Selective Mutism often have a strong fear of being judged, embarrassed, or making mistakes when speaking. In unfamiliar or high-pressure environments, this fear can become so overwhelming that it shuts down verbal communication altogether.

In some cases, children with Selective Mutism may also have:

• Speech and language difficulties
• Sensory sensitivities
• Traits of Autism (although Selective Mutism is a separate diagnosis)
  
  

What Parents Often Notice

• Your child speaks freely at home but goes completely silent in school or in public.
• They may avoid eye contact, freeze, or appear extremely anxious in social situations.
• Teachers might say your child “never talks” or seems “withdrawn.”
  
  

These behaviours can easily be misunderstood as stubbornness or disobedience, but they’re actually symptoms of intense anxiety.

What You Can Do as a Parent
Here are a few supportive strategies you can use at home and in partnership with educators and professionals:

1. Understand It’s Not Defiance
Avoid punishing or pressuring your child to speak because this often increases anxiety. Instead, validate their feelings and focus on helping them feel safe.

2. Celebrate Small Steps
Progress is usually slow and happens in tiny increments. A whisper, a nod, or even a smile can be a big deal for a child with Selective Mutism. Praise effort, not just speech. When praising effort, make sure that it is done in a way that does not draw others' attention to them talking. 

3. Avoid High-Pressure Questions
Instead of direct questions like “What did you do today?” try choices or comments:

• “Did you do painting or play outside today?”
• “I saw your class had music – that sounds fun!”
  
  

4. Create Opportunities for Success
Use play-based or low-pressure environments to encourage communication. Puppets, role play, and games can reduce anxiety and build confidence. Role-playing what the child is going to say while in a safe and familiar environment can help them to feel confident in an environment where talking is needed. 

5. Work with a Support Team
Support is most effective when:

• Parents, teachers, and clinicians work together.
• Everyone uses consistent strategies to reduce pressure and encourage communication.
• A psychologist or speech therapist with experience in Selective Mutism is involved in treatment planning.

Things to Keep in Mind
Children with Selective Mutism often find it easier to talk in phases that are predictable and do not require their opinion. This may mean that they can say Bingo while playing it, but they can not answer what their favourite colour is. 

It’s natural for parents and teachers to want to motivate children, especially when you know they can talk at home but stay silent in other settings. You might be tempted to say things like, “If you say hello, I’ll get you that toy you really want,” or offer big prizes for speaking. While this approach is well-meaning, for children with Selective Mutism, it often makes it harder for them to talk.

Here’s why:
When a child already feels anxious about speaking, adding a high-stakes reward can make the situation feel even more intense. It shifts the focus from feeling safe and connected to “performing”, which can increase fear of failure.

Children with Selective Mutism are not refusing to talk, they’re unable to due to anxiety. Offering big rewards doesn’t solve the root problem and can make children feel like they’re disappointing you if they can’t “earn” it.

If they don’t succeed in speaking and don’t get the reward, the child may feel ashamed, guilty, or “bad,” which can reduce motivation in the long term and impact on their self-confidence. 

What Treatment Might Look Like
Support for Selective Mutism is tailored to each child but often includes:

• Cognitive Behavioral Therapy (CBT) to help with anxiety
• Behavioural strategies like “sliding in” speech gradually (e.g., starting with whispering, then progressing to full voice)
• Speech and language therapy, if relevant
• In some cases, medication may be recommended by a paediatrician or child psychiatrist if anxiety is severe
  
  

Final Thoughts for Parents
If your child is showing signs of Selective Mutism, know that you are not alone, and this is not your fault. Selective Mutism can be challenging, but with the right support, children can and do learn to speak confidently in all areas of life.

Early identification and gentle, consistent support can make all the difference.

If you’re concerned about your child’s communication in different settings, please each out to a psychologist experienced in selective mutism for guidance and assessment. Hopscotch & Harmony Psychology can help you at our Werribee or Belmont clinics or provide a consultation over Telehealth. Request an appointment here: www.hopscotchandharmony.com.au/booknow