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- Maralin Village Primary School, Magheralin, County Down
- Markethill Primary School, Markethill, County Armagh
- Millington Primary School, Portadown, County Armagh
- Millburn Primary School, Coleraine, County Londonderry
- Milltown Primary School, Banbridge, County Down
- Minterburn Primary School, Caledon, County Tyrone
- Model Primary School, Enniskillen, County Fermanagh
- Moneydarragh Primary School, Annalong, County Down
- Moneymore Primary School, Moneymore, County Londonderry
- Moorfields Primary School, Ballymena, County Antrim
- Mossgrove Primary School, Glengormley, County Antrim
- Mount St Catherine's Primary School, Windmill Hill, Armagh, County Armagh
- Mountnorris Primary School, Mountnorris, County Armagh
- Mourne Independent Christian School, Kilkeel, County Down
- Saint Johns Primary School Moy Co Tyrone (Benburb Road) - (Catholic Education)
- Moyallon Primary School, Craigavon, County Armagh
- Moyle Primary School, Larne, County Antrim
- Mullaglass Primary School, Mullaghglass, County Armagh
- Mullavilly Primary School, Mullavilly, County Armagh
Read more about this topic: List Of Primary Schools In Northern Ireland