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lucas21cCan you bring my brother from school?

Do you mean " Can you get / take/ bring my brother home from school " ? . No article is needed.as used.

grammarfreakDo you mean " Can you get / take/ bring my brother home from school " ? .

How do we know the brother is to be brought home? The speaker could be asking someone to bring his brother to, for example a park. Provided the destination is known, the original sentence is fine.

fivejedjonHow do we know the brother is to be brought home? The speaker could be asking someone to bring his brother to, for example a park.

To me the original sentence is missing something that made it sound off. Can you bring my brother from school ? To where ?Syntactically, I feel a destination is

How about "Can you fetch my brother home from school?”

The sentence is OK.

tamguatlayThe sentence is OK.

No, it really isn't. Only dogs fetch. If you speak to a human, it is insulting.
If I know you are getting off work and I call you for a favor to pick up my brother on your way home.
This is is what I would say " Can you pick up/ my brother from school". Here, the context implies the destination is "home", which can be omi

lucas21cCan you fetch my brother home from school?

I'd say that the use of the verb "fetch" is relatively rare in American English. I'd substitute "bring" in this sentence.

CJ

As CJ says, 'fetch' is rare in American English. In British English, it is fine. Below is the definition from Collins Dictionary.

If you fetch something or someone, you go and get them from the place where they are.
Sylvia fetched a towel from the bathroom...
Fetch me a glass of water...
The caddie ran over to fetch something for him.

Fetch isn't restricted to dogs. A person can fetch something, too.