Class remains disturbed (7)

I believe the answer is:

seminar

'class' is the definition.
(I know that seminar is a type of class)

'remains disturbed' is the wordplay.
'disturbed' is an anagram indicator (the order of letters is disturbed).
'remains' anagrammed gives 'SEMINAR'.

(Other definitions for seminar that I've seen before include "Meeting for study" , "University discussion" , "Training conference" , "Study group on specific subject" , "Short intensive study course for marines" .)

I've seen this clue in The Times.

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