The most common and most likely answer to this crossword clue is the 3 plus 7 letter word ART NOUVEAU
I've seen this crossword clue in Financial Times
A
R
T
N
O
U
V
E
A
U
More clues leading to the result ART NOUVEAU
- Van or Ute sprayed gold has style
- The old are opening new school in France
- Decorative style of gold pinning torn off part of eye
- Our vanreshaped a design movement
- Style of decoration our aunt Eva used
- Sort of design a clue for ‘Rat’ in French?
- Style of design space occupied by start of the month around posh university
- Tour nave decked with gold in decorative style
- Architectural style bowled over aunt in Australia
- French style from Vanuatu or Southern Papeete... unclear
Buddy explains!
The straight part
We know that "school in France" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case school in france = art nouveau.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.