Crossword Genius

A group of swimmers returning dry around area synonymous with those taking a break from their education (10)

Ross

I believe the answer is:

schoolyard

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'education' is the definition.
Although both the answer and definition are singular nouns, I cannot understand how one could define the other.

'a group of swimmers returning dry around area synonymous with those taking a break from their' is the wordplay.
I cannot quite understand how this works, but
'a' is found in the answer.
'group' could be 'school' (school is a kind of group) and 'school' is present in the answer.
an anagram of 'dry' is 'yrd' which is present in the remaining letters.
No letters remain.
This may be the basis of clue (or it may be nonsense).

Can you help me to learn more?

I've seen this clue in the Irish Times and the Irish Times (Crosaire).
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