ADHD in Girls: When She’s Not Hyperactive

“I think my daughter has ADHD, but she’s not hyperactive.” If that is the sentence that brought you here, you are in good company. ADHD in girls often looks nothing like the picture most people carry of a boy who can’t stay in his seat.

Many girls with ADHD are the quiet daydreamer by the window, the chatty friend who drifts off mid-conversation, or the child who works twice as hard to keep up and comes home exhausted. Here is what ADHD can look like in girls, why it is easy to overlook, and what to do if you are wondering about your daughter.

How common is ADHD in girls?

ADHD is diagnosed more often in boys, but that does not mean girls rarely have it. In Australia’s national child and adolescent mental health survey, ADHD was found in 10.9% of boys and 5.4% of girls aged 4 to 11. The Australian ADHD clinical guideline puts it at around two to three boys for every girl in childhood.

By adulthood, the guideline notes, similar numbers of men and women have ADHD. Part of that difference in childhood is thought to be girls whose ADHD was not recognised at the time. healthdirect puts it simply: ADHD is underdiagnosed in young females.

ADHD is not a phase, a personality flaw or a lack of effort. A daughter who “could do it if she just tried harder” is often already trying very hard.

Why ADHD in girls is easy to miss

The Australian ADHD guideline’s own factsheet explains that girls may be more likely to have inattention symptoms. When they do have hyperactive or impulsive traits, these may be less obvious to the people around them. A child who drifts off quietly does not disrupt the class, so there is less to prompt a teacher to raise a concern.

Many girls also get good at covering what they find hard. Raising Children Network and the Royal Children’s Hospital both describe this as “masking”: hiding or compensating for difficulties at school, sometimes using strong social skills to fill the gaps. It can work well enough at school that the struggle only shows at home.

What ADHD in girls can look like

ADHD has three presentations: mainly inattentive, mainly hyperactive-impulsive, and combined. Girls can have any of them. These are patterns to be aware of, not a checklist to score your daughter against.

Quiet inattention

Drifting off in class or mid-conversation, losing track of instructions, a lost jumper every week, homework that takes hours, and careless mistakes on work she understands.

Less obvious hyperactivity

Talking a lot, interrupting friends, fidgeting with hair or pens, restlessness that reads as chattiness, and big feelings that arrive fast.

A mother stands beside her daughter as she works through homework at the table. ADHD in girls often shows up in the evening homework.
What you see at the kitchen table in the evening is real information about how much effort her day took.

The effort of holding it together

Girls who mask often pay for it later in the day. A daughter who seems fine at school may cry over homework, snap at a sibling, or need a long stretch alone once she gets home. Our article on after-school meltdowns explains why that happens.

Anxiety also commonly sits alongside ADHD. Sometimes the worry is what gets noticed first, and the attention difficulties underneath take longer to see. That is one reason a careful assessment looks at the whole child rather than a single concern.

She isn’t lazy or careless. She may be working twice as hard as everyone else just to look the same.

What parents often notice at home

The signs that stand out at home are often small and easy to explain away on their own:

  • Homework that drags on. Twenty minutes of work takes two hours, often with tears.
  • Bright, but “needs to focus”. School reports say she is capable and could do more.
  • Things go missing. Lost belongings, forgotten notes, and a room that swallows everything.
  • Friendship tangles. Missing social cues, talking over friends, or feeling left out.
  • Big feelings at the end of the day. Emotions arrive fast, especially after school.
  • Over-preparing to keep up. Extra effort, lists and late nights that hide how hard it is.

ADHD, anxiety, or both?

Anxiety and ADHD can look alike. Both can affect concentration, sleep and schoolwork, and they often occur together. Working out which is which, or whether both are present, is exactly what an assessment is for. You do not need to have it worked out before you ask.

How ADHD in girls is assessed

The diagnostic criteria are the same for girls and boys. Signs need to have been present before age 12 and lasted at least six months. They need to show up in more than one setting and get in the way of daily life. Psychologists, paediatricians and psychiatrists all assess for ADHD in Australia.

A careful assessment gathers information from you, from your daughter and from school, using interviews and rating scales. For girls, it helps to look past whether she is disruptive in class, towards how much effort things are costing her. Your notes about evenings, homework and friendships count as real evidence. Our ADHD Assessments page explains how we approach this.

Talking with your daughter

If you decide to go ahead, keep the explanation simple. Something like “we’re going to meet someone whose job is to understand how your brain works best” is usually enough. It can help her to hear that the things she finds hard have a reason, and that it is not about being lazy.

Point to her strengths as well. Curiosity, creativity, humour and energy are part of the picture for many children with ADHD.

When to reach out

If this sounds like your daughter, a conversation with your GP, her teacher or a psychologist is a sensible next step. You do not need to be sure it is ADHD before you ask. Noticing that something isn’t quite adding up is reason enough.

Common questions

Can girls have ADHD without being hyperactive?

Yes. The inattentive presentation involves difficulties with attention and organisation without marked hyperactivity. The Australian guideline notes it is the most common presentation overall.

Why is ADHD in girls often diagnosed later?

Quiet, inattentive signs attract less attention than disruptive behaviour, and many girls compensate or mask. Difficulties often become clearer as schoolwork and friendships get more demanding.

My daughter does well at school. Could it still be ADHD?

It can be. Some children keep up through extra effort and good coping strategies. An assessment looks at how much that effort is costing her, not just at her grades.

Do I need a referral for an ADHD assessment?

No. You can contact us directly. A referral can matter for some funding pathways, so it is worth asking before your first appointment.

Talk to us

Wondering whether it could be ADHD?

Get in touch and we will talk through what you have been noticing and what an assessment would look like for your daughter.

Last reviewed: September 2026

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