Comprehensive school head in tears (8)

I believe the answer is:

sweeping

'comprehensive' is the definition.
(I've seen this before)

'school head in tears' is the wordplay.
'head' suggests taking the first letters.
'in tears' becomes 'weeping' (I've seen this before).
The initial letter of 'school' is 's'.
's'+'weeping'='SWEEPING'

(Other definitions for sweeping that I've seen before include "clearing the floor?" , "Cleaning with a broom" , "all-encompassing" , "Wide in range or effect" , "Wide-ranging and comprehensive - also cleaning?" .)

I've seen this clue in The Telegraph.

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