The most common and most likely answer to this crossword clue is the 4 plus 6 letter word ETON COLLAR
I've seen this crossword clue in The Times
E
T
O
N
C
O
L
L
A
R
More clues leading to the result ETON COLLAR
- Nancy's also working with Nick to produce school folder
- It's hard at college and in Paris working with cop
- Money raised by cop for formal wear
- Functioning senior officer during alert damaged part of shirt
- Drunk at Cornell swigging last of Lambrusco — something necked at college?
- Set tone with appropriate neckwear for college students
- Mark turning to Nick for school folder?
- School uniform that’s sometimes felt after European fashion
Buddy explains!

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.