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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

AIBU to expect my husband to split school fees equally between my children and his son?

1000 replies

CherriBerri · 17/04/2026 11:40

I have a husband, who has a son (7) from a previous marriage. We have two shared children (3 and 2).

I earn enough to afford to send my children to private school next year, and I will be doing so. My husband has agreed to pay for half of the school fees, and I’d pay the other.

The mother of his son cannot afford to pay the private school fees, even with my husband’s offer to pay half, because of her earnings. She has asked my husband to pay the full fee, and argued that it wouldn’t be fair for him to not be able to attend. However, my husband cannot afford to pay the full fees for his son AND half the school fees for the both of our children, just half for all three.

My husband has been guilt-tripped about the “unfairness” by the son’s mother, which resulted in us having disagreements. Because he knows I could afford to pay the full fees for the both of my children, he thinks I should be paying one full fee and half of one fee, so that he could pay the other half and full fees for his son. This way, he says it’s fair so that all children can attend private school.

However, I think that this arrangement is the actual unfair one; as the father of ALL three children, he should be providing equally. I don’t think it’s fair for him to forgo his responsibility for one child for another. I pay my half for our children equally, his son’s mother should do the same for her only child. I don’t think it’s fair for them to push the responsibility of her finances unto me. I grew up disadvantaged and I worked like a mule to afford this; paying extra so that his son can go literally is taking money from the mouths of my children (via their savings), it’s not right.

There could be other solutions, where the mother could save to provide private education for when their son is older (at year 10 intake for example), instead of making me pay.

OP posts:
Firefly100 · 17/04/2026 13:49

This is a very difficult one. Having thought about it, I think it is fair that he provides equally for his 3 children - so 50% of each child. He can’t afford 100% of each child so no child gets 100%. Given that means no private school for nr 1 as mum can’t afford 50%, it should be put into savings for him for use at another point in his life. Any complaints from mum should be met with ‘I AM treating my children equally, 50% school fees sum to each, I can’t afford 100% for 3 so I won’t pay it for 1’

TappyGilmore · 17/04/2026 13:49

I wonder if you (“you” as in the family) really can afford private school for the children anyway. Your husband can afford to pay for half of all three children (that is, 1.5 x fees) but cannot afford to pay for the other half of his son (that is, 2 x fees). There isn’t a massive difference between 1.5 and 2, so it sounds like your husband can only just afford it. Not sure if you’ve really considered things like future fee increases, if your financial situation changed, etc. You aren’t painting a picture of someone very well off who can easily afford private school.

SummerFrog2026 · 17/04/2026 13:49

Bringbackbuffy · 17/04/2026 12:24

Then that’s the step-grandparents treating the kids differently which is a bit different to their own father….

But their father isn't treating his 3 children differently. He has offered 50% of the fees for them all equally.

Johnsmithallenjones · 17/04/2026 13:49

CherriBerri · 17/04/2026 13:48

It was an obvious error. Though, your petty, yet bold, attempt to correct me has gone awry… you’ve made a similar mistake.

LOVE THIS!

MidnightPatrol · 17/04/2026 13:49

CandyEnclosingInvisible · 17/04/2026 13:48

Yanbu, it is quite right for DH to treat his 3 children equally. His elder son's mother should apply for bursaries noting that his dad will pay 50% and asking for help with the other half. He'll probably get a 40% bursary at the right school if she does her research and finds a good fit. They will expect her to pay something unless she's literally on the breadline.

I think a school is unlikely to offer a bursary in this scenario.

PrincessoftheManor · 17/04/2026 13:49

takealettermsjones · 17/04/2026 13:41

Well, as I made clear above, I disagree on an ethical basis because of the fact that she knowingly married a man with a child and took on the role of stepparent. I'm glad to see that most on this thread, if the voting results are anything to go by, agree with this stance.

So if her and her husband divorce - what happens then?is she supposed to pay forever? Leave 1/3 of her estate to him in her will?

Bestwishes23 · 17/04/2026 13:49

Johnsmithallenjones · 17/04/2026 13:46

Her children's education should not be determined by the inadequacy of the step child's mother.

Are you joking? Inadequate for not having the funds for a private education?

WTAF

She has a heavily subsidised lifestyle and is only working part-time. She's choosing not to have the funds.

MidnightPatrol · 17/04/2026 13:50

Bestwishes23 · 17/04/2026 13:49

She has a heavily subsidised lifestyle and is only working part-time. She's choosing not to have the funds.

Even if she worked full time she might be miles off being able to afford it.

CherriBerri · 17/04/2026 13:51

Tableforjoan · 17/04/2026 13:24

Sounds like the dss mother wants it all her way with zero comprise or effort on her part.

Also it doesn’t stop with just the fee’s it’s the uniform, the trips, the often extra sporting and musical expenses.

Which I have already (privately) agreed to share with DH already. That’s why I’m disappointed in him, it’s unfair.

OP posts:
OnlyMabelInTheBuilding · 17/04/2026 13:51

Yanbu, and you’re smart to keep your money separate. You don’t have to subsidise DSC.

PurpleThistle7 · 17/04/2026 13:52

I think this whole situation is a bit icky. But what is the financial situation for all 3 of you? If you and your husband contribute proportionally to income what does that look like? I’m sure you aren’t making the exact same salary so maybe none of this should be split in half anyway. What happens if you pool your income and expenses?

I agree with most here that you are sounding like a really difficult stepparent. And no one sounds like they’re putting the kids first. Where does your stepson live and how much time do you spend with him? If it’s 50\50 it will be easier to have them all at the same school anyway.

Personally I wouldn’t pay for private for anyone unless there’s a huge drip feed coming about additional needs as it doesn’t sound like you can actually afford this as a family. I’d wait for high school and assess then.

GlobalTravellerbutespeciallyBognor · 17/04/2026 13:53

Firefly100 · 17/04/2026 13:49

This is a very difficult one. Having thought about it, I think it is fair that he provides equally for his 3 children - so 50% of each child. He can’t afford 100% of each child so no child gets 100%. Given that means no private school for nr 1 as mum can’t afford 50%, it should be put into savings for him for use at another point in his life. Any complaints from mum should be met with ‘I AM treating my children equally, 50% school fees sum to each, I can’t afford 100% for 3 so I won’t pay it for 1’

I think this a reasonable outcome. The stepson will have a wonderful pot of cash by the end of his schooldays.

OP has no financial or moral responsibility for the stepson.

Rosesarere · 17/04/2026 13:53

Allrightonthenight1 · 17/04/2026 13:15

So @CherriBerri will, in effect, pay for him to go as she will fund both the shared children fully and her DH will fund his child. Whish isn't going to cause any resentment at all, is it?

she said she doesn’t want to fund his child, this way she is only funding her own but they will all get to go to private school.

InterIgnis · 17/04/2026 13:53

Purplepelican6 · 17/04/2026 13:44

Well ,you married a man with a child ,and that child was there before yours .
I agree with your husband,all 3 children should attend private school ,or none
You are either a family with shared money,or you are not .
I appreciate you feeling it's unfair..but what if it was the other way round and it was your children who couldn't go ,but your step son who could ..that wouldn't be fair either .
It is not your step sons fault ,he exists or is stuck in the middle of two families
And you should not resent him for this
They all go to private school or none do ...your husband is correct..but your feelings are valid and understandable

They aren’t a family with shared money. Plenty of families don’t pool finances, and they don’t have to. The three children aren’t the same, and don’t have to be treated as if they are.

That she married a man that already had a child does not make that child OP’s responsibility. He already has two parents, neither of which is OP.

CherriBerri · 17/04/2026 13:53

DoubleWobble · 17/04/2026 13:27

What’s your husband actually proposing?

I don’t know, I wasn’t aware of any particular plans when I had asked, before we had children.

Even if there were, as a step-parent I don’t have a say, unless they impact my own children.

OP posts:
SummerFrog2026 · 17/04/2026 13:54

Livelaughlurgy · 17/04/2026 12:25

You both want the same thing. You want all his children being equal. That means he pays half for all children. However if he can't cover his eldest's mother's half then he can't give half to any of them.

Of course he can.

Notonthestairs · 17/04/2026 13:54

laura246810 · 17/04/2026 13:44

Your husband should pay half fees for the 2 younger kids and contribute an equal amount to education for his eldest.

That might be tutoring, private secondary, savings account etc.

The reality is the kids have different maternal families so not everything will be the same.

I agree that the equivalent money for 50% of school fees should be set aside (in an account) each term for the child’s use at a later date.

Carandache18 · 17/04/2026 13:55

There are different ways of providing for your DCs. There's the maximising their financial route, but there's also maximising their happiness and access to family relationships that work in the future route.
Surely you don't want them, say in 20 years, to have a sibling smouldering with hurt or resentment, because through no fault of their own they had unequal educational opportunities.

Smilesinthesunshine · 17/04/2026 13:55

Your husband's ex is being completely unreasonable. Why would you use your money for his son? I agree with a pp that your husband should save the money for his sons future. He should stay at his current school.

Johnsmithallenjones · 17/04/2026 13:56

Bestwishes23 · 17/04/2026 13:49

She has a heavily subsidised lifestyle and is only working part-time. She's choosing not to have the funds.

Which was a massive drip feed.

And is it true? How does the OP know?

The DH seems to be sharing a lot of information to each of these women about each of them.

arethereanyleftatall · 17/04/2026 13:57

DoubleWobble · 17/04/2026 13:40

If my husband treated our children unfavourably compared to his child from a previous marriage, to the tune of 100k+, I’d consider it a dealbreaker too. I’d also consider him to be weak-willed if he can’t stand up to his ex.

Sure, it works both ways; my point was that there’s bigger potential over this - likely divorce - rather than foot stamping about what is and isn’t fair and who is responsible for what.

BernardButlersBra · 17/04/2026 13:57

CherriBerri · 17/04/2026 13:18

She has a fine life, they’re comfortable and travel, just the two of them, often. She works part time and receives supplemental income from CMS. Ordinarily this would be benign.

However, she lives with her parents whom pay rent/bills, and the son has lots of after school EC, so she has the facilities to work harder to create the means to pay, if she wants him to go private.

I truthfully don’t think it’s my job to pay, and she doesn’t have the right to complain that it’s unfair on her son that I won’t contribute. It’s unfair that she doesn’t work harder, and expects me to take from my kids to pay for hers, despite what we already do.

She lives with her parents and only works part time?! She needs to work more then, if private school is such a priority for her.

Let me get this straight: you are expected to work full time and your husband is expected to wotk full time for your step son’s education. As well as 2 other children. But she does part time?! Zero chance of me agreeing to that in your shoes. Is she always so entitled?!

Anyahyacinth · 17/04/2026 13:57

It's their brother isn't it?

Maybe they all wait to secondary and your DH saves.

It depends very much how good or bad the state primary is and whether we are talking a midling private provision. Is it actually better provision or a status move?

CherriBerri · 17/04/2026 13:58

NettleTea · 17/04/2026 13:28

there are a few things here which you could look at to offset the price.

Firstly, as many have pointed out, private for primary is not that important, so you could save a whole heap of money on those early years and look at a year 7 intake. I would also say that A levels are far more important than primary, so would go heavier at that end of the education than the early years. If you are an engaged parent, so long as your kids can read and write and do maths at the end of year 6, thats all good.

Secondly many schools offer a sibling discount, so that may be another way that the older child's mums share could be negotiated down. She could try to apply for a bursary, as she would be in a better position to, especially if the father is paying 50% for 3 - the bursars want to see that both parents are putting their hands in their pockets.

Does the school offer scholarship routes? These are often awartded for the entirety of education for a year 7 and a year 9 intake - if the eldest has a vocation in any of the areas offered, now would be a good time to concentrate on really focusing on that - send all at year 7 and invest in extra curricular for any subject that they are showing a great aptitude for.

Those 3 things should hopefully enable all 3 to attend.

You can see my comment history, I have suggested all these alternatives already.

The issue is that the mother refusing alternatives, because she wants him to go now. In turn my husband is trying to encourage me to pay, because the mother is complaining that it’s unfair that I won’t help pay, despite the large assistance she already receives from us.

I’m displeased with my husbands reaction, even though this was not shared with her, it’s the principle behind it. As father of all three kids, he should give equally - what he doesn’t give in custody he pays as CMS, that’s fair. What’s not fair is expecting partners to excessively contribute for children that they don’t have a meaningful say in.

OP posts:
IwantToDatePicard · 17/04/2026 13:58

TiaKofi · 17/04/2026 12:24

You want your kids to go private, you have the means, send them.
Your money, your choice.
The mother of your SS doesn’t have the money, so doesn’t have the choice.
That is the bottom line.

This !

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