There is a particular shift that happens in the last week of August. The days are the same, the routine has not changed yet, but something in the house has tightened.
Your child is snappier, they have stopped sleeping properly, they have started saying their stomach hurts… and it does hurt, and there is nothing medically wrong. They will not talk about school and they get angry when you bring it up.
School has not started but the anxiety has.
Why anticipation is the hard part
For a lot of children with ADHD, the difficulty is not the school day. It is the not knowing what the school day will be.
A brain that struggles to hold sequences, predict outcomes and regulate emotion has to do an enormous amount of work to imagine an unfamiliar week. New teacher, new classroom, new expectations, possibly new friendship dynamics after six weeks apart. Each unknown is a small open loop, and open loops are exactly what this kind of brain finds hardest to sit with.
Add to that the memory of last year. If the previous term involved being told off, falling behind, or feeling stupid in front of other people, your child is not imagining a neutral September. They are anticipating a repeat.
The result is a child who is frightened of something that has not happened yet and often cannot explain why.

What it actually looks like
Anticipatory anxiety in children rarely announces itself as worry. It tends to arrive as behaviour, which is why it gets misread.
Sleep goes first. Trouble falling asleep, waking in the night, wanting to be in your bed again after months of not.
The body speaks. Stomach aches, headaches, nausea, particularly in the morning or at bedtime. These are real physical symptoms, not performance.
Irritability rises. Shorter fuse, bigger reactions to small things, more conflict with siblings.
Avoidance. Refusing to discuss school, leaving the room when it comes up, becoming furious if you mention uniform or bags.
Regression. Clinginess, babyish behaviour, wanting things they had outgrown.
Appetite changes. Eating noticeably more or noticeably less.
Rigidity. More insistence on control over small things, because so much of the big thing is uncontrollable.
If you are seeing three or four of these in the last fortnight of the holidays, you are probably not looking at defiance. You are looking at dread.

What helps
Name it before they do. Children often cannot identify what they are feeling, and the not knowing makes it worse. Saying it out loud does. Something like: I have noticed you have not wanted to talk about school this week, and I think part of you might be worried about it. That is a completely normal thing to feel, and we can sort it out together.
Do not promise it will be fine. They have heard that before and it was not always true. Say what you can actually guarantee instead. You will be there at the gate. They can tell you anything. If something goes wrong you will deal with it together.
Reduce unknowns, do not reassure them away. Anxiety responds to information far better than to comfort. Who is the teacher, where is the classroom, what happens at lunch, who is collecting them. Our seven day school reset checklist walks through this in practical detail if you want the full version.
Give the worry a home. A five minute worry slot at a fixed time each day, where anything can be said and you write it down, stops the anxiety leaking into every conversation. It also gives you a list of what is genuinely bothering them, which is often not what you assumed.
Move the body. Physical activity is one of the more reliable ways to reduce anxious arousal in children, and it is easier to arrange in the last week of the holidays than in the middle of term.
Handle your own reaction first. Children with ADHD are often highly attuned to the emotional temperature of the adults around them. If your voice goes tight every time September comes up, they will read it. This is not a criticism, it is just worth knowing.

The Part Nobody Asks About
Here is what tends to go unsaid.
You are dreading it too.
You are dreading the emails. The pick up conversations. The homework battles that start in week three. The phone call from the office. The particular exhaustion of advocating for your child to people who see them for six hours a day and think they know them.
You may also be carrying something heavier: the worry that this year will go the same way as last year, and the guilt that sits underneath it, the one that asks whether any of this is your fault.
It is not. Parenting a child with ADHD is exhausting in a way that is genuinely hard to explain to people who do not live it. The advocacy, the vigilance, the constant translation between your child and the systems around them. That work is invisible and it is relentless and almost nobody names it.
You are allowed to find the last week of August hard. Both of you can be anxious at once. It does not mean you are handling it badly.
When to look further
Some anticipatory anxiety is normal and settles within the first fortnight of term. Pay closer attention if it does not, if your child is refusing school outright, if the physical symptoms persist, or if the pattern you are seeing in the run up to September is really just a more visible version of something that has been there all year.
That last one matters. Transitions do not create difficulties, they expose them. A lot of parents first recognise the shape of ADHD in their child during the weeks either side of a school year starting, simply because the demands go up and the coping runs out.
If that is where you are, our free ADHD quiz for children is a straightforward first step. It will not diagnose anything, but it will tell you whether what you are noticing lines up with recognised ADHD symptoms, and that is usually enough to know whether to take it further.
For parents who want practical strategies rather than a diagnosis right now, our parent support programme covers emotional regulation, boundaries and staying calm when everything at home is not. Beyond us, YoungMinds runs a free parents helpline for anyone worried about a child's mental health.
And if you want to understand what getting an answer would actually involve, our child ADHD assessment page explains the process step by step, including what happens before, during and after.








