Category: Q&As

My 12 Year-Old Is Misbehaving at School

Published : Sep 21, 2025
By Dr. Ana Aznar

“What would you recommend for consequences at home for bad behavior at school? He’s 12 and has been yelling, swearing, and refusing to follow rules, but our talks with him don’t seem to be doing anything”

A naughty boy with his feet on a desk sits in the classroom and throws a plane. Selective focus . High quality photo

I understand your despair. It is really frustrating when nothing you do works to change your child’s behaviour. I would first talk with his teachers to get a full picture of what is going on at school: is the bad behaviour happening across all lessons with all teachers? Is he behaving this way every day or on certain days? How is his general mood? Does he have friends? Are his grades slipping? Try to get full picture of his life at school and not only of the moments when he behaves badly. It is very important that you work as a team with the school. 

Have a chat with him, not about his behaviour specifically, but about his life: How is he doing generally? Does he have friends? Does he feel well integrated at school? Is he happy at home? Does he have any worries?

Change the dynamic: It may be that you have fallen into a very negative cycle. He is behaving badly, nothing you tell him works, you are angry, he is angry, and you are not spending time together or enjoying being together. You need to change the dynamic: give him the chance to start over every single day. Every day is a new day for him to do well. And remember to praise him. Very often, we ignore when our children behave well, and we only focus on their bad behaviours. Whenever he does well, praise him. 

Now let’s tackle his behaviours. From what you say there are a few things he needs to change: yelling, swearing, and not following the rules. So, instead of saying “you need to behave well”, let’s break it down to make it more manageable for him: 1) you cannot yell 2) you cannot swear, and 3) you must follow the rules. And then you tie each behaviour to a reward. I don’t know what your child likes but it could be something like: “You will have screen time every day you do not shout at school”; or “Every day that you don’t swear, we will make pancakes for breakfast” and so on. Then ask the teacher to send you a short report on those three behaviours every day. 

You may find these articles useful:

I Need Psychologist- Approved Ways to Discipline a Child Without Physical Harm

My Teenager Is Rude

How to Discipline Your Child: An Age-by-Age Guide

I wish you both all the best of luck. Do get in touch with me if you want to discuss it further. 

Love, 

Ana

Dr Ana Aznar

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Comments
Cristo
2025-07-29 12:20:59
Amazing, thank you so much for this blog.
Pia Satrustegui
2025-04-25 07:23:36
Hola Ana,
Qué fantástico artículo y que buenos consejos. Ha sido de una gran ayuda. Un abrazo muy fuerte
Dr. Ana Aznar
2025-03-31 19:41:20
Qué ilusión tu mensaje, Pia! Gracias a tí por leernos.
Pia Satrustegui
2025-03-28 10:13:56
Querida Ana,
Maravilloso artículo sobre la serie Adolescentes y consejos de gran ayuda en una etapa tan complicada de nuestros hijos , tan desprotegidos frente a las nuevas tecnologías.Es una ayuda tremenda para nosotros. Muchas gracias
Armani
2025-03-06 09:31:35
This is ethically wrong and I don't think it's worth the damage it will ultimately cause to the relationship. And the issues it will cause for the one being spied on. Just don't do it.
Meghan
2025-02-07 21:26:19
Is there a printable version of the article? I am a school based mental health professional and would like to share it with parents.
J
2025-02-03 10:52:04
This is such a great writeup. I think too often we get caught in a rutt of trying to categorise everything. Our daily lives are kind of dictated by categories and labels, certainly in a digital world.

I'd imagine this is quite deteremental for a childs development in the long run as nothing stays the same forever, and we shouldn't really be making these categorisations, especially towards our children.

Just live life, sometimes you'll have to be the parent that's the shoulder to cry on. The week after you may have to raise your voice a little when everyone is in a rush and you're trying to get your children's shoes on.

Just balance it all out, don't be too self critical and pick up on what your child wants and needs.

Again, great writeup!
Dr. Ana Aznar
2024-09-13 12:51:46
Dear Robert,
Thank you so much for your comment. I totally get what you mean. It is always difficult to have kids living with you, wanting to support them and their parents but at the same time not wanting to step in anyone's toes. If there's anything we can do to support you and your family, please do not hesitate to get in touch with us.

Ana
Robert Eisenbart
2024-09-10 00:43:07
Great Article! I'm a retired FNP. Years ago I taught a STEP program to parents via family court cases. I now have a daughter and her man disciplining three children 4, 8, and 10. The 10 year old has ADHD and my personal diagnosis is she's also Oppositional/Defiant. I believe the OD came from harsh discipline. All they seem to do is punish and threaten physical punishment. They say positive reinforcement didn't work however they tried it for about 2 months and then went back to punishment. I can't reason with them as "they are the parents"!! is all I hear. They all live with me and have since the oldest was about 2. Sadly I can see the other 2 developing issues like anxiety and aggression as well. Trying to show them another side of adult supervision when I have them but frustrating.
Dr. Ana Aznar
2024-09-02 20:48:07
Really glad you found it useful! Thank you for being here and for your comment.

Ana
Dr. Ana Aznar
2024-05-17 09:55:58
Hi Donna,
sO great to have you here! Totally agree that Zara is great! What other topics would you like us to discuss?
Ana
Donna
2024-05-17 09:49:36
Love Zara’s ways of teaching for both parents & kids! Also so helpful. We want more!! (Please!) :D
Ana Aznar
2024-05-08 07:24:31
We are glad you found the content useful! Many thanks for being here.
Ana
Cristoj
2024-04-09 18:20:19
Great article!!!
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