British violinist Nigel Kennedy is "appalled" by allegations of sexual abuse at one of Britain's most prestigious music schools, where he studied as a child.

Police are investigating claims of historical abuse against Marcel Gazelle, the late founding music director of the renowned Yehudi Menuhin School in Surrey, England.

Gazelle, who died in 1969, is accused of assaulting young girls, and now Kennedy, who attended the institution from 1964 to 1974, has offered his own opinion on the allegations.

He tells Britain's Channel 4 news, "I just know that Marcel Gazelle was a repeat offender and it wasn't a one off thing.

"It's a disgrace really that people's trust has been abused in such a way...The children themselves, their trust, the parents' trust, people's belief in music as being a pure form of art, (that) this whole ethos can be abused by one sick selfish person is very, very disturbing."

A statement from a spokesperson for Surrey Police, which is investigating the claims, reads, "We can confirm we have been contacted by the Yehudi Menuhin School following allegations of historic sexual abuse against a member of staff who is now deceased."