in or at school

[mektok]

Dear teachers,

I would like to know when do we use in or at school?

Thank you.

[sarat_106]

Dear teachers,

I would like to know when do we use in or at school?

Thank you.

He is reading in a school. (Indictes space)
He met her at the school. (Indicates place)

[mara_ce]

Dear teachers,

I would like to know when do we use in or at school?

Thank you.

at school (Longman Dictionary)
a) in the school building:
I can get some work done while the kids are at school.
b) British English attending a school, rather than being at college or university or having a job:
We've got two children at school, and one at university.

in school
a) in the school building:
Sandra's not in school today.
b) American English attending a school or university rather than having a job:
Are your boys still in school?

school (EDUCATION) (Cambridge Dictionary)
noun
[C or U] a place where children go to be educated:
a primary/secondary school
Milton Road School
They're building a new school in the village.
She drives the kids to school every morning.
UK I was at school with (= I went to the same school at the same time as) Luke's brother.
Is Emily in school today or is she still ill?

[mektok]

That was marvelous!
Thanks!