Struggles with trendy school game (11)

I believe the answer is:

battleships

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'struggles with trendy school game' is the definition.
I can't tell whether this defines the answer.

'struggles with trendy school' is the wordplay.
'struggles with' becomes 'battles' (battling is a kind of struggling. I am not sure about the 'with' bit.).
'trendy' becomes 'hip' (I've seen this in another clue).
'school' becomes 'S'.
'battles'+'hip'+'s'='BATTLESHIPS'

Can you help me to learn more?

(Other definitions for battleships that I've seen before include "Fighting vessels" , "Game in which naval vessels are located and sunk" .)

I've seen this clue in The Mirror.

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