Co-parenting calendar: sharing the school week across two homes
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Weaponised incompetence: what it is, and how to share the school stuff
Debs · Updated 28 September 2026
The short answer
Weaponised incompetence is when someone does a task badly, or says they can't do it, so that it's handed back to someone else. It isn't always deliberate. With school admin it often looks like "I didn't know it was PE day", and the fix is shared information, not one parent reminding the other.
"I didn't know they needed a coat." It is November. "You're just better at plaits." You were not born better at plaits; you watched a YouTube video in 2021. "The school never emails me." You are on the list. You have always been on the list. If this sounds familiar, you've met weaponised incompetence, and the school run is where it lives.
What weaponised incompetence looks like with school
School creates a steady drip of small jobs: letters, reply slips, PE days, dress-up days, dinner money, clubs, trips. Whoever deals with the first few becomes the person who deals with all of them. Soon the other parent can honestly say they didn't know, because they didn't. The problem isn't the one forgotten PE kit. It's that only one person is carrying the list.
- "I didn't know it was non-uniform day."
- "Just tell me what needs doing."
- "You're better at that than me."
- "Which one is her teacher again?"
If one of you has to tell the other, the one telling is still doing the job.
Left: the information arrives in one inbox. Right: that's how the other parent ends up genuinely not knowing it was PE day.
Is it deliberate?
Sometimes, and often not. The term is used for doing a job badly on purpose so you're not asked again, but most of what families argue about is simpler: the information goes to one parent, that parent becomes the expert, and the other stops looking because someone else always knows.
That's why "just tell me what needs doing" lands so badly. It sounds helpful, but it keeps one person in charge of knowing. The mental load isn't the doing. It's the remembering, the noticing and the planning, and asking to be told hands all of that back.
The mental load isn't the doing. It's the knowing that it needs doing.
How to share the school admin fairly
Share the information, not just the jobs. Put both parents on the school's contact list and the class app. Keep one family calendar you can both see, with what's needed written on it ("PE kit", "£1", "dress as a Roman"). Then split whole areas rather than single tasks: one parent owns clubs and kit, the other owns trips and letters, and each is responsible for the knowing as well as the doing.
Handing over jobs v sharing the load
The difference between helping and owning.
| Handing over jobs | Sharing the load | |
|---|---|---|
| Who knows what's coming | One parent | Both, from the same calendar |
| Who reminds whom | One parent reminds the other | Nobody: it's written down |
| When something's missed | "You didn't tell me" | "We both missed it" |
| What it feels like | Being the manager | Being on the same team |
Mistakes we've all made
- Doing it yourself because it's quicker, every time, until it's your job forever.
- Keeping the school emails in your inbox only, then being cross that they don't know.
- Redoing the packed lunch they made, so they stop offering.
- Assigning single tasks ("can you buy the costume?") instead of whole areas.
When the information goes to everyone
Debs, your own school admin assistant, reads the school emails and letters and puts what matters on one family calendar that both parents (and grandparents, if you like) can see. The night before, it shows each child's bag: what to wear and what to pack. Ask Debs "what have we got on tomorrow?" on your phone or on Alexa. Nobody has to be the one who tells. See everything Debs can do.
Questions parents ask
What does weaponised incompetence mean?
It means doing a task badly, or claiming you can't do it, so someone else takes it over. The phrase is often used about housework and childcare, and the behaviour isn't always deliberate.
Is weaponised incompetence always on purpose?
No. Often one person has simply become the family's expert, the other stops paying attention, and the imbalance grows without anyone planning it.
What is the mental load?
The mental load is the invisible work of remembering, noticing and planning what needs doing: knowing it's PE day, that a form is due, or that the costume needs buying.
How do you share school admin with a partner?
Give both parents the same information (the school's emails, the class app and one shared calendar), then split whole areas of responsibility rather than single tasks.
How do I stop being the one who remembers everything?
Get the information out of your head and into a shared place both parents check. When it's written down for everyone, nobody has to be the reminder.