What was the subject you learnt at school that you never had to use in life?

I made a wooden pencil case and s pineapple upside down cake - never did either again.?

Not particularly useful, but I'm often surprised at how much poetry I know, or half know. I think it was a regular homework task to learn a poem accurately, including punctuation, and then having to write it out as a test.

Simultaneous equations.
I failed my Maths O level mainly due to having a teacher that seemed to spend more time picking out misdemeanors to try and put most if not all of the class into detention after school (that failed because he didn't know he had to give 48 hours notice and the students literally came from all over the county, not just the town!) rather than actually teach !

Matrices, algebra and any form of organised sport. The rest, even equations and geometry has come in handy. I had to give up history and geography to do latin and German (would have liked to keep geography) and likewise made to do physics and chemistry instead of biology. Have used the languages and improved upon them over the years -latin was handy there too - and the English language, which I used in one of my careers, was always a delight

It's the stuff I learnt at school that I used in life for over forty years afterwards that shocks me: how to be an effective victim of psychological bullying, how to have low self-esteem, how to feel totally worthless ...

Ghastly school.

Beating an egg white on a plate with a flat beaded knife.

I'm dis-calculate so all that Maths was totally wasted on me- just went right over my head. Ditto any form of science.
Luckily I was very good at English & languages so they have been useful.
Also cookery although I got a lot of that from Mum & Grandma too.
I have to thank the prefects for the amazing amount of Shakespeare I can quote. That was what we had to learn in detentions & I was a regular. Say no more!!!

I think I have probably used everything I learned at school - except maybe sine/cosines & tangents - but only because I couldn't remember how to do them!
(They would have come in very useful when renovating our houses - calculating angles for tiling / flooring / roofing etc)

I think we use things we learned more than we realise , I wish I had learned more.

Triganometry

I was hopeless at maths apart from simple addition and subtraction, I found long multiplication and division difficult. What I did manage to assimilate came in useful in my nursing career though.

Everything I learned has been useful, and I went to night classes to continue my history and English literature education. I managed to pass the 'O' level which we were not offered at my Secondary Modern school. My school English teacher sought me out at Woolworths on the Saturday after the results came out, to congratulate me.

I've never really understood, and certainly not used, matrices, or calculus or most of trig come to that.
My Father wanted me to learn Latin, and I tried, but made a complete hash of the end of year exam. The Latin teacher took me aside and told me, "some people are made to do Latin, you're not." I'm glad to say I was able to give it up, but I still find it useful for word roots and European languages.

Sewing/needlework.
Both in primary and secondary, this subject put me off sewing for life; I remember taking a vow that I would get a good job and earn money so that I would never have to make my own clothes, and I did.
Conversely, two years of cookery convinced me I could cook, and although I didn't pursue the subject at school I took courses later, and still really enjoy cooking.

Godawful algebra and bloody boring geometry.

I've never had to deal with a problem involving either of the above since I last clapped eyes on the buggers on an exam paper at the age of 16.

Most of the maths stuff (other than the basics) such as logarithms/algebra no use at all. And as for slide rules!
Not used much of the French we had to learn or the RE stuff.

Algebra Geometry not used.
Latin handy for my Nursing studies never thought it would be useful

Nothing. I think school is just a grown up trick to make children behave. Even the teachers probably don't know anything except their own subjects. Down with skool!!!

I think we learnt to learn and explore ideas and develop the self discipline to study something that was difficult and that maybe at the time we couldn't see the purpose of. (I just ended with a preposition there?). We all chose our future paths but ecause we had covered so much we had a choice.

I use trigonometry & geometry often when I'm working out patchwork. I use equations occasionally when I need to work out portions for meals.
Logarithms stopped being useful when calculators came in, but before that they were very useful for multiplying.
The very best thing I learned in school was questioning received wisdom, which we did a lot in history.
And even things I wasn't good at, like art, I am glad to have some basic knowledge.

Never thought I would need my 5 years of Latin, but it comes in useful knowing the roots of words, especially in quizzes!

Those arithmetic questions that were about filling a bath ! Never could understand why you would leave the plug out. Don’t get me stared on the train questions. Have never been able to work them out and have never used that calculation.

Logarithms fell out of general use when electronic calculators took over, but are still important in advanced maths. You might have become a Maths professor and needed them !!

Another for quadratic equations still none the wiser, and algebra although I hated maths and had an unpleasant teacher who just to shout at me are you dense girl

Another vote for Geometry. And Beam Balances which we spent so much time with in Physics.

Oddly enough I can still recite all the poems and Shakespearean pieces I learned as a child.

Latin / Logarithms / Quadratic Equations Formula / Calculus / Musical dictation

I struggled with all of them - found myself crying when they 'just wouldn't sink in' - and now realise that they weren't even important in the Grand Scheme of Things. How I wish I'd realised that at the time .

How to make an Apron by hand with a halter top before starting cookery classes! It was white and we were taught how to cut a bias binding to trim the top. I was made to unpick it so many times it was black before I finished.