Backlash from Religious Education movement (8)
I believe the answer is:
reaction
'backlash' is the definition.
(thesaurus)
'religious education movement' is the wordplay.
'religious education' becomes 're'.
'movement' becomes 'action' (**).
're'+'action'='REACTION'
'from' acts as a link.
(Other definitions for reaction that I've seen before include "Response to stimulus from creation" , "Reflex; backlash" , "Chemical change or backlash" , "Force" , "Feedback" .)