| Academy Primary School, Ballynahinch | Primary | Controlled · 434 pupils |
| All Children's Integrated Primary School, Newcastle | Primary | Controlled Integrated · 206 pupils |
| Annalong Primary School, Newry | Primary | Controlled · 233 pupils |
| Annsborough Integrated Primary School, Castlewellan | Primary | Controlled Integrated · 31 pupils |
| Ballyholland Primary School, Newry | Primary | Catholic Maintained · 200 pupils |
| Ballynahinch Primary School | Primary | Controlled · 229 pupils |
| Bessbrook Primary School, Newry | Primary | Controlled · 124 pupils |
| Brackenagh West Primary School, Kilkeel | Primary | Controlled · 156 pupils |
| Bunscoil an Iuir, Newry | Primary | Other Maintained · 108 pupils |
| Bunscoil Bheanna Boirche, Castlewellan | Primary | Other Maintained · 162 pupils |
| Carrick Primary School, Warrenpoint | Primary | Catholic Maintained · 382 pupils |
| Cedar Integrated Primary School, Crossgar | Primary | Grant Maintained Integrated · 217 pupils |
| Christ the King Primary School, Drumaness | Primary | Catholic Maintained · 75 pupils |
| Clonalig Primary School, Crossmaglen | Primary | Catholic Maintained · 165 pupils |
| Cortamlet Primary School, Altnamackin | Primary | Controlled · 83 pupils |
| Cumran Primary School, Downpatrick | Primary | Controlled · 165 pupils |
| Derryboy Primary School, Crossgar | Primary | Controlled · 94 pupils |
| Downpatrick Primary School | Primary | Controlled · 213 pupils |
| Dromintee Primary School, Newry | Primary | Catholic Maintained · 156 pupils |
| Dromore Road Primary School, Warrenpoint | Primary | Controlled · 83 pupils |
| Drumlins Integrated Primary School, Ballynahinch | Primary | Grant Maintained Integrated · 220 pupils |
| Gaelscoil na mBeann, Kilkeel | Primary | Other Maintained · 146 pupils |
| Glasswater Primary School, Downpatrick | Primary | Controlled · 72 pupils |
| Grange Primary School | Primary | Catholic Maintained · 95 pupils |
| Holy Cross Primary School, Newry | Primary | Catholic Maintained · 98 pupils |
| Holy Family Primary School, Downpatrick | Primary | Catholic Maintained · 176 pupils |
| Jonesborough Primary School, Newry | Primary | Catholic Maintained · 90 pupils |
| Kilbroney Integrated Primary School, Newry | Primary | Controlled Integrated · 95 pupils |
| Kilkeel Primary School | Primary | Controlled · 528 pupils |
| Killowen Primary School, Newry | Primary | Catholic Maintained · 33 pupils |
| Killyleagh Integrated Primary School, Downpatrick | Primary | Controlled Integrated · 112 pupils |
| Mullaglass Primary School, Newry | Primary | Controlled · 85 pupils |
| Newcastle Primary School | Primary | Controlled · 211 pupils |
| Newtownhamilton Primary School | Primary | Controlled · 42 pupils |
| Our Lady & St Patrick Primary School, Downpatrick | Primary | Catholic Maintained · 352 pupils |
| Sacred Heart Primary School, Newcastle | Primary | Catholic Maintained · 125 pupils |
| Spa Primary School, Ballynahinch | Primary | Controlled · 209 pupils |
| St Brigid's Primary School, Downpatrick | Primary | Catholic Maintained · 267 pupils |
| St Brigid's Primary School, Drumilly | Primary | Catholic Maintained · 120 pupils |
| St Brigid's Primary School, Glassdrummond | Primary | Catholic Maintained · 179 pupils |
| St Bronagh's Primary School, Rostrevor | Primary | Catholic Maintained · 207 pupils |
| St Caolan's Primary School, Saintfield | Primary | Catholic Maintained · 89 pupils |
| St Clare's Abbey Primary School, Newry | Primary | Catholic Maintained · 460 pupils |
| St Colman's Primary School, Kilkeel | Primary | Catholic Maintained · 229 pupils |
| St Colman's Primary School, Saval | Primary | Catholic Maintained · 196 pupils |
| St Colmcille's Primary School | Primary | Catholic Maintained · 402 pupils |
| St Columban's Primary School, Kilkeel | Primary | Catholic Maintained · 233 pupils |
| St Dallan's Primary School, Warrenpoint | Primary | Catholic Maintained · 484 pupils |
| St Francis' Primary School, Drumaroad | Primary | Catholic Maintained · 85 pupils |
| St Joseph's Convent Primary School, Newry | Primary | Catholic Maintained · 468 pupils |
| St Joseph's Primary School, Bessbrook | Primary | Catholic Maintained · 385 pupils |
| St Joseph's Primary School, Carnacaville | Primary | Catholic Maintained · 190 pupils |
| St Joseph's Primary School, Crossgar | Primary | Catholic Maintained · 126 pupils |
| St Joseph's Primary School, Killough | Primary | Catholic Maintained · 60 pupils |
| St Joseph's Primary School, Meigh | Primary | Catholic Maintained · 197 pupils |
| St Joseph's Primary School, Strangford | Primary | Catholic Maintained · 69 pupils |
| St Joseph's Primary School, Tyrella | Primary | Catholic Maintained · 34 pupils |
| St Laurence O'Toole Primary School, Belleek | Primary | Catholic Maintained · 72 pupils |
| St Macartan's Primary School, Downpatrick | Primary | Catholic Maintained · 163 pupils |
| St Malachy's Primary School, Ballymoyer | Primary | Catholic Maintained · 69 pupils |
| St Malachy's Primary School, Camlough | Primary | Catholic Maintained · 304 pupils |
| St Malachy's Primary School, Carnagat | Primary | Catholic Maintained · 239 pupils |
| St Malachy's Primary School, Castlewellan | Primary | Catholic Maintained · 387 pupils |
| St Malachy's Primary School, Kilclief | Primary | Catholic Maintained · 35 pupils |
| St Malachy's Primary School, Kilcoo | Primary | Catholic Maintained · 180 pupils |
| St Mary's Primary School, Ardglass(Dunsford | Primary | Catholic Maintained · 76 pupils |
| St Mary's Primary School, Aughlisnafin | Primary | Catholic Maintained · 76 pupils |
| St Mary's Primary School, Barr | Primary | Catholic Maintained · 163 pupils |
| St Mary's Primary School, Dechomet | Primary | Catholic Maintained · 84 pupils |
| St Mary's Primary School, Killyleagh | Primary | Catholic Maintained · 90 pupils |
| St Mary's Primary School, Mullaghbawn | Primary | Catholic Maintained · 299 pupils |
| St Mary's Primary School, Newcastle | Primary | Catholic Maintained · 362 pupils |
| St Matthew's Primary School, Magheramayo | Primary | Catholic Maintained · 80 pupils |
| St Michael's Primary School, Finnis | Primary | Catholic Maintained · 82 pupils |
| St Michael's Primary School, Killean | Primary | Catholic Maintained · 148 pupils |
| St Michael's Primary School, Newtownhamilton | Primary | Catholic Maintained · 74 pupils |
| St Moninna's Primary School, Cloughoge | Primary | Catholic Maintained · 476 pupils |
| St Nicholas' Primary School, Downpatrick | Primary | Catholic Maintained · 148 pupils |
| St Oliver Plunkett Primary School, Forkhill | Primary | Catholic Maintained · 125 pupils |
| St Oliver's Primary School, Carrickrovaddy | Primary | Catholic Maintained · 38 pupils |
| St Patrick's Primary School, Ballymaghery | Primary | Catholic Maintained · 295 pupils |
| St Patrick's Primary School, Ballynahinch | Primary | Catholic Maintained · 256 pupils |
| St Patrick's Primary School, Castlewellan | Primary | Catholic Maintained · 25 pupils |
| St Patrick's Primary School, Crossmaglen | Primary | Catholic Maintained · 449 pupils |
| St Patrick's Primary School, Cullyhanna | Primary | Catholic Maintained · 221 pupils |
| St Patrick's Primary School, Drumgreenagh | Primary | Catholic Maintained · 85 pupils |
| St Patrick's Primary School, Legamaddy | Primary | Catholic Maintained · 163 pupils |
| St Patrick's Primary School, Mayobridge | Primary | Catholic Maintained · 320 pupils |
| St Patrick's Primary School, Newry | Primary | Catholic Maintained · 446 pupils |
| St Patrick's Primary School, Saul | Primary | Catholic Maintained · 185 pupils |
| St Paul's Primary School, Cabra | Primary | Catholic Maintained · 86 pupils |
| St Peter's Primary School, Cloughreagh | Primary | Catholic Maintained · 352 pupils |
| St Ronan's Primary School, Newry | Primary | Catholic Maintained · 385 pupils |
| St Teresa's Primary School, Tullyherron | Primary | Catholic Maintained · 72 pupils |
| Windsor Hill Primary School, Newry | Primary | Controlled · 197 pupils |