lower school 
noun
The section of a larger school which comprises or caters for the younger pupils, especially those below the fifth form.The lower school was donated an authentic keyboard, sheet music, tapes, a microphone and mouth organ....
- There were no dances exclusively for the lower school either - no hornpipe or Scottish country dances.
- We would be taking the same action with your son but as he is in the lower school we needed time to consider it to do so.
- well-motivated
- well-motived
- well-moulded
- well-mounted
- well-mouthed
- well-named
- well-natured
- well-near
- wellness
- well-nigh
- well-nosed
- well-noted
- well-nourished
- well-nurtured
- well-oared
- well-observed
- well-occupied
- well off
- well-offness
- well oiled
- well-omened
- well-operated
- well-opinioned
- well-orchestrated
- well-order