Irresistible school made us vile, somehow (10)

I believe the answer is:

compulsive

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'irresistible' is the definition.
(thesaurus)

'made us vile somehow' is the wordplay.
'made' becomes 'comp' (I can't justify this - if you can you should believe this answer much more).
'somehow' indicates anagramming the letters.
'us'+'vile'='usvile'
'usvile' anagrammed gives 'ulsive'.
'comp'+'ulsive'='COMPULSIVE'

'school' acts as a link.
I am not very happy about this link. It may be part of another bit of the clue.

Can you help me to learn more?

I've seen this clue in The Daily Express.

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