European in school about to be host (7)

I believe the answer is:

compere

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'be host' is the definition.
(host of an event)

'european in school about to' is the wordplay.
'european' becomes 'E' (abbreviation e.g. EU).
'in' indicates putting letters inside.
'school' becomes 'comp' (short for comprehensive school).
'about to' becomes 're' (I can't explain this - if you can you should give a lot more credence to this answer).
'comp'+'re'='compre'
'e' put into 'compre' is 'COMPERE'.

Can you help me to learn more?

(Other definitions for compere that I've seen before include "Master of ceremonies" , "(Male) show introducer" , "M.C." , "TV presenter?" , "host show" .)

I've seen this clue in The Daily Express.

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