PSNI, thePSNI, the 
the abbreviation of the Police Service of Northern Ireland
the abbreviation of the Police Service of Northern Ireland- scholastic
- scholasticism
- school
- school-age
- school age
- school board
- schoolbook
- schoolboy
- School Certificate
- schoolchild
- schoolday
- school district
- school friend
- schoolgirl
- school governor
- schoolhouse
- schooling
- schoolkid
- school-leaver
- schoolmarm
- schoolmaster
- schoolmate
- schoolmistress
- school night
- schoolroom