S
- Sacred Heart Primary School, Rock, County Tyrone
- Saints and Scholars Integrated Primary School, Armagh
- Scarva Primary School, Scarva, County Down
- Scoil an Droichid, Belfast
- Scoil na Fuiseoige, Belfast
- Seagoe Primary School, Portadown, County Armagh
- Seaview Primary School, Belfast
- Stewartstown Primary School, Stewartstown, County Tyrone
- Straidhavern Primary School, County Antrim
- Strandtown Primary School, Belfast
- Stranmillis Primary School, Belfast
Read more about this topic: List Of Primary Schools In Northern Ireland