Crossword Genius

Awfully tense drama saving art school (5-7)

Ross

I believe the answer is:

avant-gardism

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'school' is the definition.
Both the answer and definition are singular nouns.
Maybe you can see a link between them that I can't see?

I can't explain the remainder of the clue.

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I've seen this clue in The Sunday Times and The Times.
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