The phrase "a student which" is not correct in standard written English.
The correct relative pronoun to use with "student" is "who" since it refers to a person.
Example: "She is a student who excels in mathematics."
Alternatives: "a student that" or "a student who".
When Ms. Tupper, of Citigroup, was asked by a student which bank was "the best," her answer was diplomatic.
"Oftentimes, rather than flunking out a student, which is very rare, we will encourage them to take a semester or even a year off.
He was nominally out of work and I was a student, which is the same thing, so we had a lot of time to mooch around charity shops and second-hand stores looking for a pair of spats.
'Student accommodation currently takes up 95% of the maximum amount of finance available for a student, which leaves them with an impossibly small amount of money to live on,' says NUS.
Her Vivien Harmon has a big dose of horror show back story: six months after a bloody miscarriage she walked in on her husband, Ben, having sex with a student, which precipitated the family's cross-country move to the Los Angeles Victorian spook house they arrive at as the show opens.
A thin brunette with large brown eyes and fine, sharp features, Ms. Hathaway speaks with the quick self-confidence and self-effacement of a chronic A student, which she was -- "except in math," she says with a wince -- while attending Millburn High School in her hometown, Millburn, N.J.
Dimon also mentioned that he had a conversation with a Syracuse student (which I first reported on these very pages).
He was a good student, which he put down to an excellent maths teacher, a good memory and being "not much good at games".
I was a terrible student, which was only partly to do with a lack of innate musicality.
What's more, I had married a graduate student — which is to say that we had no money for the Cordon Bleu.
Yes! Actually, I'm here to tell you about myself and my trials and tribulations as a grad student, which is what I've been since last fall.
