Improvement helping to keep class online? (11)
I believe the answer is:
reformation
'improvement' is the definition.
(reformation can mean reforming or improving)
'helping to keep class online?' is the wordplay.
'helping' becomes 'ration' (a ration is a serving or helping).
'to keep' is an insertion indicator.
'class online?' becomes 'eform' (form can mean a school class, e can mean online).
'ration' going around 'eform' is 'REFORMATION'.
(Other definitions for reformation that I've seen before include "Amendment, improvement" , "when we left Rome" , "religious revolution" .)