Crossword Genius

How school lice inspector competes in a match? (4,4,2,4)

Ross

I believe the answer is:

goes head to head

I'm a little stuck... Click here to teach me more about this clue!

'how school lice inspector competes' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'a match?' is the wordplay.
I cannot quite see how this works, but
'a' is present in the answer.
'match?' could be 'go' (I've seen this in other clues) and 'go' is located in the answer.
This may be the basis of the clue (or it may be nonsense).

'in' acts as a link.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.
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