School pictures brought back home (5)
I believe the answer is:
train
'school' is the definition.
(school can mean to train or coach)
'pictures brought back home' is the wordplay.
'pictures' becomes 'art'.
'brought back' is a reversal indicator.
'home' becomes 'in' ('he's home' can mean 'he's in').
'art' in reverse letter order is 'tra'.
'tra'+'in'='TRAIN'
(Other definitions for train that I've seen before include "See 17" , "Engine and carriages" , "Groom" , "Series of gears; retinue" , "Learn a skill etc. through practice" .)