Book recommendations for 12 year old girl, not fantasy, horror or crime

DD1's school use Accelerated Reader and they test every half term. They don't give out the results as a matter of course, but will tell you if you ask.

My DD has a similar reading age and has recently enjoyed Little Women, Lord Of The Flies, and Watership Down.
I know you said she isn't horsey, but neither is DD. She's currently reading Black Beauty and really enjoying it despite initially needing a bit of a push to give it a go.

I’d suggest The Cinnamon Tree, any of the older classics- Anne of green gables, Little women, What Katy did books. Also any of the Eva Ibbotson books.

Sofia's world has already been mentioned, but more Jostein Gaarder's books might be relevant, he writes great contemporary stories with extra philosophy/ethics layer and is primarily focused on this age (I love The orange girl and see it easier read than Sofia's world).

If the dislike for fantasy is driven just by common more adult content, I'd recommend A wizard's guide to defensive baking by T. Kingfisher, young heroes (10 and 14 yo), no romance, very limited violence and lot of fun. How can someone whose only magic ability is baking save her city when the adults are useless?

Edith Nesbit - Five Children and It, The Phoenix and the Carpet
I can’t see if anyone has recommended the Narnia books.
What Katie Did
Joan Lingard’s NI series - Across the Barricades, Kevin and Sadie etc
Geoffrey Trease - historical fiction featuring children/teens
Black Beauty
Warrior Cats series
Maybe the Chalet School series?

Goodnight Mister Tom, Tom’s Midnight Garden, Harvey Angel. All wonderful.

I'd highly recommend Katharine Rundell's books. Especially The Explorers but all her books are excellent.

My 12yo dd likes Jennifer A Nielsen books. Of the three she has, one is themed around the French Resistance, one around the Titanic, and one in the First World War. Published by Scholastic, so definitely aimed at adolescents.

Also the Animal Ark books about the daughter of vets, those fuelled my ill-fated desire to be a vet!

Similar to Ballet Shoes but about acting is The Swish of the Curtain and the rest of Pamela Brown’s blue door series- I got obsessed with acting at about 14 because of that book! Same with Francie and the Boys (don’t be put off by the title…)

One with a slight fantasy element that I loved around that age was Ragboy, Rats and the Surging Sea by Alan Temperley - a fairly realistic story that happens to centre on a mermaid.

Tamora Pierce’s Alana series was my favourite, it has magic in but not OTT and it also has teen sex!

Charlie Higson’s Young Bond series is good.

For non fiction for grownups or teens, probably the funniest book I’ve ever read is The Tent, the Bucket and Me by Emma Kennedy - proper laughing-on-public-transport stuff. The sequel is good too but but a bit more hair raising for 12.

The Railway Children, Anne Frank's Diary, Emily and the Detectives, Jules Vernes.

I was going to say Noughts and Crosses until I realised she has read all Marjorie Blackman 🙈 The hunger games books were good (better than the films!) But to be honest I would just let her read adult books... I started swiping my mums books when I was 13/14 and it led to a lifelong obsession with reading.. plus the majority of mainstream adult books arent actually full of smut/gore anyway! (Also modern classics like To Kill A Mockingbird, Handmaid's Tale, animal farm, Of Mice and Men etc were all very readable back then!)

Lost art of keeping secrets by Eva Rice.
I capture the castle by Dodie Smith
A ring of endless light by Madeleine l'engle
Loved Paula Danziger and the Anastasia books but not sure how much they will have dated.

Dd has read a few of those on your list and really enjoyed Sarah Crossan.

How do you know her reading age? I have no idea what my tweens reading age is. How would school even know this?

Second this. I loved the Christmas Mystery (I think it's called) at that age, read it every Christmas!

And definitely Gerald Durrell My Family and Other Animals - this was an absolutely favourite, so sweet and funny.

How would she feel about trying some biographies and autobiographies? I used to quite reading autobiographies of my favourite sportspeople as a young teenager, I found them interesting and quite inspiring.

The early Adrian Mole books?

She might like the Vincent Ralph books - some of them are a little bit mystery-ish but I wouldn't say were crime. Could try one. They're quite gripping, can have some jumpy/little bit scary moments.

Has she tried any of Geraldine McCaughren, Tim Bowling or David Almond's elder children's books? Things like Skellig/River Boy/Shadows?

As lots of others have said, can think about the classics - The Little Princess, Secret Garden etc.

Honestly, best bet is probably to have a wander around the library and/or school library and try and handful of new authors. There is a small risk is that she ends up with something inappropriate - at 12 I had a book from my school library of all places that I'm absolutely convinced if any member of staff had read it would not have been on the shelves (the main thread of the storyline was graphic child sex abuse, which was not at all clear from the cover). It was an interesting book in other ways though and I was mature enough to cope, so I didn't tell anyone how wildly inappropriate it was when I returned it which with hindsight I probably should have as I still think about it over 20 years on....

Haha we were all reading this at 12 😂 times have changed. My 13 year old reported back that 1984 had "lots of sex" in it 😁 I was like "erm not sure that's what I remember from 1984 but ok, maybe I won't give you brave new world then. Nor acquiesce to your request to read "the stand" (because I remember the anal rape with a gun part...)

At that age I was still reading many of the older children’s books - E Nesbit, Noel Streatfeild, Arthur Ransome (Swallows and Amazons), Just William books, Anne of Green Gables series.
Also Gerald Durrell (starting with My Family and Other Animals), James Herriot, PG Wodehouse. And Agatha Christie and Sherlock Holmes. Though you said she doesn’t like crime, maybe Sherlock Holmes is different enough from gritty modern crime to give it a try?

Has she read any Michael Morpurgo? My tweens have all enjoyed his books.

Another vote for LM Montgomery Anne of Green Gables ( unrecognisably better than the tv series 'Anne with an E') or Emily of New Moon Series.

She might also like some adult non fiction travel lite Bill Bryson books - Notes from a Small Island, A Walk in the Appalatians etc. Nothing unsuitable and very funny.

Mary Stewart is an old Scottish female author who wrote adventure type books with good strong heroines set in interesting locations - usually very light ( no sex) romance - in the 50s. Madam, will you talk', 'The Gabriel Hounds' 'Nine Coaches Waiting'

More contemporary? The Gallagher Girls spy novels despite their rather lurid covers were an enormous favourite of my daughter - and me - at the same age.

Has she read any Anne Fine or Jean Ure?

Michael Morpurgo?

Hunger Games and Divergent, and the Philip Pullman books are all fab.
I was reading Georgette Heyer, Daphne du Maurier and The Scarlet Pimpernel books at around that age,as well as John Wyndham and Douglas Adams and Agatha Christie.